Sediments produced by plants and animals in the sea are called biogenous. Option E is the correct answer.
Sediments that are biogenous were formed from the skeletal remains of living things. A vast range of particles, including tiny creatures' shells, coral fragments, sea urchin spines, and bits of mollusk shells, make up these hard components. Option E is the correct answer.
The most significant sort of biogenous sediment is derived from testing of tiny one-celled algae and protozoans that are present in ocean surface waters. The sediment is referred to as an ooze when these tests account for more than 30% of the sediment's particles. The places under open water where nutrients are accessible to boost productivity are where oozes are most common. Oozes build up in these places on average at a pace of 1 centimeter per 1000 years. On the continental edges, where lithogenous sediments predominate, oozes are typically absent. Option E is the correct answer.
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Question 4
In valleys and ravines, what method of landfilling is considered the best?
a. trench b. low area
c. area
d. wet area
In valleys and ravines, the best method of landfilling is the trench method.
Option A is correct
This involves excavating a trench or pit in the ground, filling it with waste, and then covering it with soil or other materials. The trench method is often preferred in valleys and ravines because it helps to minimize the amount of land required for the landfill and reduces the risk of erosion and landslides.
Additionally, the trench method can help to contain waste and prevent it from spreading to nearby areas, which is important in environmentally sensitive locations. Therefore, the correct answer is option a. trench.
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In valleys and ravines, the best method of landfilling is the wet area method. This involves placing waste in areas where the water table is high or where the soil is wet.
This method helps to limit the amount of leachate that seeps into the surrounding environment by taking advantage of the natural filtration provided by the soil and vegetation. The waste is placed in shallow layers and then covered with soil to allow for the decomposition process to occur. This method is considered to be more environmentally friendly than traditional landfilling methods and can help to reduce the negative impact of landfills on the surrounding ecosystem.
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What was the Trade Mart? How had it seemed to change? in messenger chapter 6
The Trade Mart was a place in the village where the people gathered to trade goods and conduct business. It had changed since the previous year, becoming less lively and more subdued.
What is Trade Mart?
In Chapter 6 of the book "Messenger" by Lois Lowry, it is mentioned that the Trade Mart was a hub of activity in the village where people from different communities came together to trade goods and conduct business. However, the narrator observes that the Trade Mart had changed since the previous year, becoming less lively and more subdued. The reason for this change is not explicitly stated, but it is implied that the difficult times and increased fears and uncertainties in the village have affected the people's willingness and ability to engage in trade and commerce.
What are communities?
Communities are groups of people who share common characteristics, interests, or goals and interact with each other in various ways, such as through communication, socialization, or collaboration. Communities can exist in different forms, including physical communities based on geographic proximity, virtual communities based on online interactions, or communities of practice based on shared professional or knowledge-related interests.
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The Leading Cause Of Excess Nutrients In Water Is A.) Industrial Facilities B.) Oil Spills C.) Agriculture Activities D.) Mining Activities E.) Desalinization
Answer:
Explanation:
C.) Agriculture Activities are the leading cause of excess nutrients in water.
The use of land for new construction within an already built up area refers to
a) urban infill.
b) urban reuse.
c) urban zoning.
d) urban replication.
Answer:
The answer is (a) urban infill.
Explanation:
valles marineris is a wide, deep network of chasms stretching for some 2500 miles on the surface of mars. how do we believe such a big set of canyons formed originally? a. it was scoured out of the martian sands by the action of the regular dust storms b. it was caused by tectonic pressures from deep within the planet c. it was produced suddenly by flooding water some four billion years ago d. the canyons were places the ancient martians used for drag racing e. it was made by hundreds of impacts from space billions of years ago
Although space impacts may have helped to shape the Martian topography, they are not thought to be the main reason for Valles Marineris.
Valles Marineris is a massive system of canyons stretching for about 2500 miles on the surface of Mars. Scientists believe that it was formed by tectonic pressures from deep within the planet. It is thought that as the planet cooled and contracted, the crust cracked and moved, resulting in the formation of this huge canyon system. While there is evidence of water on Mars, it is unlikely that flooding water would have created such a wide and deep network of chasms. It is also unlikely that regular dust storms or drag racing by ancient Martians would have been responsible for the formation of Valles Marineris. While impacts from space may have contributed to shaping the Martian landscape, they are not believed to be the primary cause of Valles Marineris.
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Question 10 of 10
The constant air pressure needed to play the hydraulis was supplied by a
Answer here
SUBMIT
The constant air pressure needed to play the hydraulis was supplied by a water reservoir and airtight container.
How was the constant air pressure supplied to play the hydraulis?The hydraulis, an ancient musical instrument similar to an organ, operated by using a water reservoir and an airtight container to create constant air pressure. The water reservoir acted as a source of air pressure, which was directed into the airtight container through pipes or channels.
As the musician played the hydraulis, air was forced through the pipes by the water pressure, producing sound when it passed through the instrument's pipes and out of its various stops or openings. This constant air pressure system allowed for sustained and controlled notes to be played on the hydraulis, creating a unique and captivating musical experience.
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the area on a radar image that appears as a void where the warm air flows into the storm), is called the:
The area on a radar image that appears as a void where the warm air flows into the storm is called the eye of the storm.
The eye of the storm is a region in the center of a tropical cyclone or hurricane where the weather is relatively calm and clear. On a radar image, it appears as a void or hole in the middle of the storm. This area is surrounded by the eyewall, which is a ring of intense thunderstorms that produce the most severe weather conditions, including high winds, heavy rainfall, and storm surges. The eye of the storm is formed by warm air flowing into the center of the storm and rising upwards, which creates a low-pressure zone. This low-pressure zone causes the air to spiral around the center of the storm, producing the characteristic circular shape. While the eye of the storm is relatively calm, it can be dangerous for ships or aircraft that attempt to pass through it, as they may encounter sudden changes in wind and weather conditions.
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Which may be said about the geologic history of east and southeast North America?
The Southeastern United States geologic history is a tale of active mountain formation as well as the more sedate processes of weathering, erosion, and sediment deposition.
Precambrian gneisses from Roan Mountain, which straddles the boundary between North Carolina and Tennessee, are the oldest rocks seen in the Southeast.
These rocks are older than 1.8 billion years, according to dating. Later, they underwent metamorphosis (transformation) during the Grenville Orogeny, a significant period of mountain formation.
Along the eastern and southern edges of the North American Craton, the Grenville Orogen formed during the Proterozoic. Peripheral orogenic bands on the continent were born near plate boundaries. In the east, they are Paleozoic (542 to 251 million years ago), while in the west, they are Mesozoic to Cenozoic (252.2 million years ago to the present).
The North American plate, which stretches from the mid-Atlantic ridge to the West Coast, passes through the Southeast, which is near the edge of the continent but in the heart of it.
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the amount of resources in deposits not yet identified but thought to exist.immersive reader
The term you are referring to is "unidentified resources." These are deposits of natural resources, such as oil or minerals, that have not yet been discovered or fully explored.
Despite not being identified, experts believe these resources are likely to exist based on geological data and other indicators. The search for unidentified resources is an ongoing process, and new technologies and exploration techniques continue to improve our ability to locate and extract these valuable resources.The amount of resources in deposits that have not yet been identified but are believed to exist is often referred to as "undiscovered resources." These resources are typically estimated based on geological and geophysical data, as well as knowledge of the geological processes that form mineral deposits.It's important to note that estimates of undiscovered resources are highly uncertain and can vary widely depending on the quality and quantity of data available, as well as the assumptions and models used to interpret that data. Therefore, they should be viewed as rough approximations rather than precise measurements.
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Compare stages of river with our life
Rivers and human lives both have various stages, and there are some interesting comparisons we can make between them. Here are a few:
1. The Source and Birth: Every river begins its journey from a source, which could be a spring or a glacier. Similarly, every human life begins with birth, where we take our first breath and start our journey.Childhood and the
2. Upper Course: During the early stages of its journey, a river is typically small and narrow, with shallow waters and a swift current. This stage is called the upper course. In human life, this corresponds to childhood, where we are small and vulnerable, but full of energy and enthusiasm. We are learning and exploring the world around us, just as a river is carving its path through the landscape.
3. Adolescence and the Middle Course: As a river grows and gains momentum, it enters the middle course. Here, the river becomes wider and deeper, with a more moderate current. In human life, this corresponds to adolescence, where we start to mature and gain a deeper understanding of the world around us. We may face challenges and obstacles, but we also have more independence and responsibility.
4. Adulthood and the Lower Course: Finally, the river reaches its lower course, where it is wide, deep, and slow-moving. It may meander through a floodplain or delta before reaching the sea. Similarly, in human life, adulthood is a time of stability and maturity. We have gained experience and wisdom, and we may have achieved our goals and found our place in the world. We may also have a family and a home, just as a river may support a rich ecosystem of plants and animals.
5. Old Age and Death: Just as every river eventually reaches the end of its journey and merges with the sea or evaporates into the atmosphere, every human life comes to an end. Old age is a time of reflection and slowing down, where we may look back on our life's journey and take stock of our accomplishments and regrets.
In summary, rivers and human lives both have stages of growth, change, and maturity. By comparing the stages of a river to the stages of human life, we can gain a deeper understanding of the passage of time and the natural cycles of growth and decay.
Two groups of runners leave the same locker room heading in opposite directions. Group A runs 4.6 miles due east, then turns 40º toward north and runs 2.1 miles. Group B runs 4.6 miles due west, then turns 50º toward south and runs 2.1 miles. Which group is farther from the locker room?Because , is farther away from the locker room by the .
Using law of cosines, the group that is farther from the locker room is; Group B
How to use Law of Cosines?The law of cosines gives that;
c² = a² + b² - 2ab cos C
Now, for group A, we can use law of cosine to find their current distance from the locker room as;
a² = 4.6² + 2.1² - 2(4.6*2.1)*cos 40°
a² = 21.16 + 4.41 - 14.8
a = √10.77
a = 3.28 miles
Similarly, for Group B, we have;
b² = 4.6² + 2.1² - 2(4.6*2.1)*cos 50°
b² = 21.16 + 4.41 - 12.42
b = √13.15
b = 3.63 miles
This means that group B is farther from the locker room
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how do jetties protect inlets along the shoreline? question 3 options: a) they cause the channel to deepen so dredging is not needed b) they protect against excessive wave action c) they allow sediment to flow in and refill previously eroded areas d) they block the longshore transport
Jetties protect inlets along the shoreline by blocking the longshore transport. Jetties are long, narrow structures that are built perpendicular to the shoreline.
They are constructed using rocks, concrete, or other materials and are designed to create a barrier that blocks the longshore transport of sediment along the beach. When waves approach the beach, they carry sediment with them in a process known as longshore drift. This process can cause erosion of the beach and create a buildup of sediment in the inlet, which can lead to shoaling and difficulties for boats to navigate the area.
By blocking the longshore transport, jetties help to maintain the natural flow of sediment along the beach and into the inlet. This prevents the buildup of sediment in the inlet and helps to keep the channel open for boats to navigate. Additionally, jetties can protect against excessive wave action by reducing the size and force of waves entering the inlet.
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What did the Leader say about those who wanted to stop people from coming to the Village? in messenger chapter 6
The fact that everyone is welcome to visit the community, he informed them, is its finest feature.
In a nutshell, what can you say about messenger?Teenage Matty, who lives in a utopian village where everyone is welcomed, tells his story in the book. It tells how certain events altered his community and how he endeavored to reverse those impacts. In the first scene of the novel, Matty and his blind adoptive father Seer are cooking over a fire in a simple house.
What does the last person of the messenger look like?The "man with the cards" is the enigmatic sender of Ed's playing cards with the names of people in need on them. Near the end of the book, the reader learns that his goal was to use Ed as an example to show that anybody, no matter how banal, may reach their full potential in order to help others.
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What does HDI stand for?
Answer:
Human Development Index
its the country by country outlook over the the last three decades.
how can drought be triggred by physical condition
Answer: When rainfall is less than normal for a period of weeks to years, streamflows decline, water levels in lakes and reservoirs fall, and the depth to water in wells increases. If dry weather persists and water-supply problems develop, the dry period can become a drought.
what are the two greenhouse gases most responsible for absorbing infrared light in earth's atmosphere
The two greenhouse gases most responsible for absorbing infrared (IR) light in Earth's atmosphere are carbon dioxide (CO2) and water vapor (H2O).
Both of these gases have molecules with bonds that may vibrate at infrared wavelengths, allowing them to absorb and re-emit infrared radiation released by the Earth's surface.
This mechanism captures part of the heat that would otherwise be emitted back into space, causing the temperature of the Earth's atmosphere to rise.
While other greenhouse gases, such as methane and nitrous oxide, exist, CO2 and H2O are the most prevalent and have the largest impact on global warming.
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How many address fields does an 802.11 header have?
1
2
3
4
An 802.11 headers have 4 address fields. Therefore the correct option is option D.
A Wi-Fi wireless communication 802.11 header contains four address fields:
Receiver Address (RA): The MAC address of the receiving device is stored in this field.Transmitter Address (TA): The MAC address of the transmitting device is stored in this field.Source Address (SA): This field contains the MAC address of the frame's original sender.Destination Address (DA): This field includes the MAC address of the frame's intended recipient.These four address fields are used to identify and direct Wi-Fi frame transmission within a wireless network. Therefore the correct option is option D.
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What would happen to the oceans if surface runoff and groundwater flow were reduced (for example, by the growth of ice sheets during an ice age)?
-The oceans would become bigger.
-The oceans would stay the same size.
-The oceans would become smaller.
If surface runoff and groundwater flow were reduced due to the growth of ice sheets during an ice age, C. the oceans would become smaller.
This reduction would result from the increased accumulation of water in the form of ice, leading to a decline in the amount of water available to replenish the oceans. Additionally, the expansion of ice sheets would trap more water on land, further decreasing the volume of water reaching the oceans.
With less surface runoff and groundwater flow, the overall global water cycle would be affected. The reduced input of freshwater into the oceans would likely lead to changes in ocean currents, salinity, and the marine ecosystem. Ocean currents, which play a vital role in distributing heat and nutrients across the planet, could become disrupted, leading to further climatic changes and potentially impacting the global climate system. Moreover, the decrease in the volume of the oceans would result in lower sea levels, which could affect coastal ecosystems and the distribution of landmasses.
In summary, a reduction in surface runoff and groundwater flow due to the growth of ice sheets during an ice age would lead to smaller oceans, influencing various aspects of the global environment, such as ocean currents, sea levels, and marine ecosystems. Therefore, the correct option is C.
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What would happen to the oceans if surface runoff and groundwater flow were reduced (for example, by the growth of ice sheets during an ice age)?
A. The oceans would become bigger.
B. The oceans would stay the same size.
C. The oceans would become smaller.
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The trapping of solar radiation in Earth's lower atmosphere
a) is entirely anthropogenic
b) is called the greenhouse effect
c) has no benefits
d) began with humans' use of fossil fuels
e) began with humans' use of fossil fuels and has no benefits
b) is called the greenhouse effect.The trapping of solar radiation in Earth's lower atmosphere is a natural process that occurs due to the presence of greenhouse gases, such as carbon dioxide, water vapor, methane, and others.
These gases trap some of the heat energy that is radiated from the Earth's surface, preventing it from escaping into space and thus keeping the planet's temperature within a range that is suitable for life.While the greenhouse effect is a natural phenomenon, the increase in the concentration of greenhouse gases in the atmosphere, primarily due to human activities such as the burning of fossil fuels and deforestation, has led to an enhanced greenhouse effect, often referred to as anthropogenic climate change.
This increase in the greenhouse effect is responsible for the warming of the Earth's surface and the changes in the climate that we are currently experiencing. Therefore, option e) began with humans' use of fossil fuels and has no benefits is incorrect, as the natural greenhouse effect has benefits for life on Earth, such as keeping the planet warm enough for life to thrive. However, the enhanced greenhouse effect caused by human activities has negative impacts on the environment and human society.
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Explain connections among low sulfur coal, atmospheric warming and toxic mercury.
Low-sulfur coal, atmospheric warming and toxic mercury are interconnected in various ways.
Low sulfur coal is a type of coal that has a low concentration of sulfur dioxide emissions when burned, which can have positive environmental effects by reducing acid rain and respiratory illnesses. However, low-sulfur coal often contains higher levels of toxic mercury, which is released into the atmosphere when burned.
Toxic mercury can contribute to atmospheric warming, which is caused by greenhouse gases trapping heat within the Earth's atmosphere. Mercury is a potent greenhouse gas, and its release into the atmosphere can exacerbate global warming, leading to increased temperatures and climate change.
Furthermore, atmospheric warming can have significant impacts on the environment, including the melting of polar ice caps and rising sea levels, which can lead to the displacement of millions of people and the destruction of coastal ecosystems.
In conclusion, low-sulfur coal may have some environmental benefits by reducing acid rain and respiratory illnesses, but its high levels of toxic mercury can contribute to atmospheric warming and exacerbate the effects of climate change. It is essential to reduce our reliance on fossil fuels and invest in renewable energy sources to mitigate the negative impacts of burning low-sulfur coal and other fossil fuels on the environment.
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how can a rock or sediment have high porosity but low permeability? a. a. if the pore spaces consist only of straight channel b. if the pore spaces are filled with sediment c. if the pore spaces are very large d. if the pore spaces are not well connected to each other
Answer:
A rock or sediment can have high porosity but low permeability if the pore spaces are not well connected to each other. Porosity refers to the percentage of void space within the rock or sediment, while permeability refers to how easily fluids can flow through it. If the pore spaces are large but not connected to each other, fluids will not be able to flow through the rock or sediment efficiently, resulting in low permeability despite high porosity.
chinook winds form group of answer choicesa. in tropical rainforests b on the leeward c side of the mountains d on the windward e side of mountains
Chinook winds typically form on the leeward side of the mountains. Chinook winds, also known as "foehn winds," are warm, dry winds that occur on the leeward side of mountain ranges.
When moist air is forced to rise over a mountain range, it cools and loses its , producing precipitation on the windward side of the mountains. The dry, cool air that descends on the leeward side of the mountains, however, is warmed by adiabatic compression as it descends, which can cause it to warm significantly and produce a chinook wind. Chinook winds are most common in the winter months and can cause rapid melting of snow and ice, leading to localized flooding and ice jamming in rivers. They are also associated with temperature fluctuations, with temperatures rising rapidly as the warm, dry air descends on the leeward side of the mountains. Chinook winds are most commonly observed in the western United States and Canada, but they can occur in other mountainous regions around the world.
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Which type of fog occurs during nights when skies are clear and relative humidity is high?
-radiation fog
-advection fog
-evaporation fog
-steam fog
The type of fog that occurs during nights when skies are clear and relative humidity is high is called radiation fog.
Radiation fog is the kind of fog that develops at night when the sky is clear and the relative humidity is high. When the earth rapidly loses heat after sunset, the air above it cools below the dew point, when water vapour condenses into small water droplets, producing this sort of fog.
Radiation fog can be highly dense, resulting in visibility of less than a quarter mile, and generally develops in valleys and low-lying places. After daybreak, it normally disappears as the sun warms the earth and the air above it.
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Frost that forms on cold glass is created by the process of:
-sublimation.
-transpiration.
-freezing.
-deposition.
Frost that forms on cold glass is created by the process of D. Deposition.
Deposition occurs when water vapor in the air comes into contact with a cold surface, such as a glass window, and transforms directly from its gaseous state into solid ice crystals. This change of state skips the liquid phase, meaning that the water vapor does not condense into liquid water before freezing.
Instead, it solidifies directly onto the cold surface as frost. Deposition is the opposite process of sublimation, which involves a substance transitioning directly from a solid to a gas without passing through the liquid phase. In contrast, transpiration is the process by which plants release water vapor into the atmosphere, and freezing is the transition from the liquid phase to the solid phase.
While freezing is involved in the formation of frost, it is not the direct cause, as the water vapor bypasses the liquid state altogether through the deposition. Therefore, the correct option is D.
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Frost that forms on cold glass is created by the process of:
A. sublimation.
B. transpiration.
C. freezing.
D. deposition.
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What are the 3 types of plate tectonic boundaries? Question 2 options: a. convergent, divergent, transform b. submerging, collapsing, transfiguring c. connecting, division, vertical thrusting d. changing, nonchanging, alternating
The 3 types of plate tectonic boundaries are convergent, divergent, and transform. The correct option is a.
Convergent boundary: a region where two tectonic plates are moving in the same direction and could collide or subduct beneath one another.
Divergent boundary: when two tectonic plates split from one another, new crust is formed through volcanic activity, and a rift valley is formed.
Transform boundary: This is the point at which two tectonic plates pass one another horizontally and release energy that may result in an earthquake.
Major earth landforms are formed as a result of the underground movements of the Earth, according to the scientific theory of plate tectonics. They are resting on the mantle, a massive layer of hot, which is floating above the planet. The correct option is a.
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Question 24
The type of sanitary landfill that should be developed on essentially flat land sited in dry areas is:
a. depression landfills
b. area landfills
c. progressive excavation landfills
d. cut and cover landfills
The type of sanitary landfill that should be developed on essentially flat land sited in dry areas is: area landfills. Therefore the correct option is option B.
Area landfills are the best type of dump for flat land areas in dry regions since they are built on the ground surface rather than underground. They can hold a huge amount of rubbish and their flat form offers waste disposal vehicles easy access.
To prevent leachate from contaminating groundwater, area landfills are often sealed with an impermeable barrier and covered with soil or other materials to control odour and decrease the potential for litter and vermin.
Depression landfills are built in a naturally occurring depression or excavated pit and are not suited for flat land locations because they require the excavation of the ground or a naturally occurring depression. Therefore the correct option is option B.
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The cloud form that is best described as sheets or layers that cover much or all of the sky is termed:
-cumulus.
-alto.
-mackerel sky.
-stratus.
-cirrus.
The cloud form that is best described as sheets or layers that cover much or all of the sky is termed "stratus".
Stratus clouds are low-level clouds that often appear as a uniform gray layer that can cover much of the sky.
They are typically found at altitudes up to around 6,500 feet (2,000 meters) and are often associated with overcast or rainy weather. Cumulus clouds are puffy and usually found at lower altitudes, while alto clouds are mid-level clouds and cirrus clouds are high-level clouds with a thin, wispy appearance.
Mackerel sky refers to a specific type of cloud formation that resembles the scales on a fish, which can occur in various types of clouds.
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Importancia de los (celtas) en el desarrollo de gran bretaña
The Celts were farmers who introduced the iron plough to Britain, which sparked an agricultural revolution.
The "Celts," as we typically refer to them, are mostly preserved in the splendour of their artwork and the tales of the Romans who engaged in battle with them. The Celts were a collection of peoples who were only loosely connected by shared language, religion, and cultural expression. They were successful at cultivating fertile valley and lowland soils.
The Celts are credited with many artistic accomplishments throughout Europe, including elaborate stone carving and skilled metalworking. As a result, intricate Celtic patterns on artefacts made of gold, silver, and priceless gemstones form a significant component of museum collections in Europe and North America.
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The question can be translated as:
What is the importance of the (Celts) in the development of Great Britain?
Numerical age dates based in radioactivity are very important for studying Precambrian geologic history because fossils are rare or absent.A. TrueB. False
A. True Numerical age dates based on radioactivity are very important for studying Precambrian geologic history because fossils are rare or absent. This method helps scientists to determine the age of rocks and understand the development of Earth's early history.
The Precambrian is a geologic eon that spans from the formation of the Earth about 4.6 billion years ago until the beginning of the Phanerozoic eon, which started about 541 million years ago. It is the longest eon in Earth's history, lasting for over 4 billion years, and it is divided into several different time periods. The Precambrian was marked by significant geological events, such as the formation of the Earth's crust and the evolution of life on Earth, including the development of photosynthesis and the emergence of eukaryotic cells. The Precambrian is also characterized by the formation of the first continents and the development of complex mineral deposits.
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sea level rose 1 foot in the 20th century. it is expected to rise again by __________ in the 21st century
Answer:
2 feet (unless action is taken)