what is the inner core made of
Answer:
iron and nickel
Explanation:
it is solid due to the pressure from the other layers
which environment typically experiences the most extreme seasonal variation?A. Tropical forests
B. Open oceans
C. Boreal forests
D. Tide pools
Answer:
C. Boreal forests
Explanation:
C. Boreal forests typically experience the most extreme seasonal variation, with long, cold winters and short, mild summers.
When the Moon is directly opposite the Sun in the sky, its phase is: A) new. B) waxing or waning crescent. C) first or third quarter. D) waxing or waning gibbous. E) full.
Answer:
E) full
Explanation:
it is rising opposite the Sun
You are at the Tropic of Capricorn. You are sailing to the Arctic Circle. How many degrees latitude will you need to sail?
1. 90 degrees
2. 66.5 degrees
3. 180 degrees
4. 23.5 degrees
The circle of latitude that contains the subsolar point at the December (or southern) solstice is known as the Tropic of Capricorn (or the Southern Tropic). As a result,
it is the furthest southern latitude at which the Sun can be viewed straight overhead. During the June Solstice, it likewise dips to 90 degrees below the horizon at solar midnight. The Tropic of Cancer is its northern analog.
One of the five main circles of latitude identified on maps of the planet is the Tropic of Capricorn. Its latitude is currently 23.43628° (or 23°26′10.6′′)[1] south of the equator, however it is slowly advancing north at a pace of 0.47 arcseconds, or 15 meters, every year at the moment.
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What is the natural (i.e., pre-industrial, or pre-anthropogenic) range of CO2 in our atmosphere?
The natural(i.e., pre-industrial, or pre-anthropogenic) range of CO2 in our atmosphere is 180-280 ppm.
The range of CO2 is the amount of carbon dioxide present in the environment, Carbon dioxide is a gas that plays a integral part in environmental pollution, greenhouse effect, carbon cycle, photosynthesis and oceanic carbon cycle. The level of carbon dioxide increases due to human activities such as industrialization, deforestation, mining and other such activities. CO2 absorbs and emits infrared radiation at wavelengths of 4.26 μm which gets trapped in the earth atmosphere increasing the temperature.
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What is superposition in simple terms?
A new wave can be created by combining two or more existing waves, according to the physics concept of superposition.
This principle states that when two or more waves collide, their amplitudes (heights) are added, creating a new wave with a different amplitude and wavelength from the original waves.
A variety of effects, including constructive interference (when the amplitudes combine to create a larger wave) and destructive interference (when the amplitudes cancel each other out to produce a smaller or no wave), can result from this. Physics, engineering, and acoustics are just a few of the scientific disciplines where the concept of superposition is crucial.
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how much of the earth is water
Answer:About 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water.
Explanation:
what is the cause for the slow movement of reference marks, such as the celestial poles and equator, to move across the sky?
The slow movement of celestial poles and equator across the sky is caused by the Earth's rotation and the precession of its axis.
The Earth rotates on its axis once every 24 hours, causing the entire celestial sphere to appear to rotate around us. This rotation causes the stars and other celestial objects to appear to move across the sky. The axis of rotation of the Earth is not fixed in space, but it slowly moves like a spinning top that wobbles. This movement of the Earth's axis is called precession, and it causes the celestial poles and equator to shift their position across the sky over a period of thousands of years.
Precession is caused by a combination of the gravitational forces of the Sun and Moon on the Earth's equatorial bulge, as well as the gravitational effects of other planets in the solar system. As the Earth spins on its axis, it experiences a torque that causes the axis to slowly wobble around a circle over a period of about 26,000 years.
As a result of this slow precession, the celestial poles and equator slowly move across the sky, taking thousands of years to complete a full circle. This means that over time, the positions of the stars and constellations we see in the night sky also slowly shift.
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an immensely thick succession of basalt flows, each of which spread over a vast area, is called a .
A flood basalt (or plateau basalt) is the result of a giant volcanic eruption or series of eruptions that cover large stretches of land or the ocean floor with basalt lava.
What is the meaning of flood basalt?An enormous volcanic eruption or series of eruptions that cover extensive swaths of land or perhaps the ocean floor with basalt lava results in flood basalts. Many flood basalts have been linked to the beginning of a hotspot that reached the earth's surface through a mantle plume.
When a massive volcanic eruption or series of eruptions cover significant areas of land or the ocean floor with flows of mafic igneous rocks, flood basalt is created (basalt lava flows). The colloquial name for this province is Trap (Deccan Traps in India).
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The plains and coastal lowlands are ______.
(A) temperate
(B) hot
(C) warm
(D) cold
Answer: (A) Temperate
Explanation:
6.Injecting hot fudge into ice cream and causing the ice cream to melt is an appropriate analogy forwhich cause of magma melt?melting due to a decrease in pressuremelting due to an addition of volatilesmelting due to an increase in pressuremelting due to heat transfer from rising magma
Injecting hot fudge into ice cream and causing it to melt is an appropriate analogy for melting due to an addition of volatiles.
The process of injecting hot fudge into ice cream and causing it to melt is a good analogy for melting due to an addition of volatiles. In this analogy, the hot fudge represents the volatiles, which are substances like water vapor, carbon dioxide, and sulfur dioxide that can be released from solid rock and mix with the surrounding mantle material. Just as the hot fudge melts the ice cream by adding heat, volatiles can lower the melting point of rocks in the mantle by weakening the bonds between minerals and allowing them to melt at lower temperatures. This can lead to the formation of magma, which can then rise to the surface and erupt as a volcanic eruption. Melting due to an addition of volatiles is a common cause of magma melt, particularly in subduction zones where water is released from the subducting plate and mixes with the surrounding mantle material. Understanding the role of volatiles in the formation of magma is an important aspect of studying volcanic activity and can help scientists to better predict and mitigate volcanic hazards.
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use figure 9-9 to answer the question. which type of agricultural practice is not found in or near tropical regions?
Commercial agriculture is mainly developed to produce goods for sale to food processing businesses and is typically practised in core nations outside of the tropics.
What is commercial agriculture?Commercial agriculture refers to the large-scale cultivation of crops for sale, often on large farms or plantations. This type of agriculture is designed to generate profit and is primarily geared towards meeting the demands of the global market. Commercial farming often employs advanced technology and modern farming techniques to maximize yields and minimize costs. It relies heavily on the use of fertilizers, pesticides, and other chemicals to increase productivity. This form of agriculture requires significant investment in infrastructure and machinery, and may involve intensive labor or mechanization. Commercial agriculture can have significant environmental impacts, including soil degradation, water pollution, and biodiversity loss, and can also contribute to social and economic inequality in rural communities.
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Sort the following characteristics by the type of volcano they are associated with.1) pillow basalt2) lahars3) strombolian eruption4) pyroclastic flow5) flank eruptions6) fire fountain7) felsic lave
Pillow basalt submarine volcanoes ,Lahars stratovolcanoes, Strombolian stratovolcanoes ,Pyroclastic flow stratovolcanoes, Flank eruptions shield volcanoes Fire fountain shield volcanoes, Felsic lava stratovolcanoes
Pillow basalt - Associated with submarine volcanoes or seamounts that erupt lava under water, creating bulbous formations resembling pillows.Lahars - Associated with stratovolcanoes that erupt explosively and produce pyroclastic material, which can mix with water to form dangerous mudflows known as lahars.Strombolian eruption - Associated with stratovolcanoes that erupt relatively small amounts of lava and explosive material in a relatively regular, rhythmic pattern.Pyroclastic flow - Associated with stratovolcanoes that erupt explosively, producing clouds of ash, rock, and gas that can travel down the slope of the volcano at high speeds.Flank eruptions - Associated with shield volcanoes, which are broad, gently sloping volcanoes that erupt effusively, producing large volumes of relatively fluid lava that spreads out over a wide area.Fire fountain - Associated with shield volcanoes, which can produce fire fountains during an eruption, where lava is blasted into the air in a spectacular display.Felsic lava - Associated with stratovolcanoes that erupt lava with a high viscosity, resulting in lava that is thicker and more explosive than mafic lava.
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which region in the thirteen colonies had social norms shaped by the ideas of the puritans and pilgrims?
The New England colonies had social norms shaped by the ideas of the Puritans and Pilgrims.
What is colonies?Colonies are territories that are politically and economically controlled by a foreign power. They are generally located outside the power's homeland, and are typically populated by the people of the foreign power. Colonies are considered subordinate to the home country, and are sometimes used to expand the power's resources, trade, and influence. Colonization has been a part of human history since ancient times, and continues to be practiced today.
These ideas included a strong work ethic, a belief in education and the importance of family and community. They also embraced religious freedom and moral values, such as honesty and hard work. These beliefs and values had an important influence on the social norms that shaped the region.
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7. Which of the five themes deals with what an area is like? What are the
unique features physical or manmade that define it?
a) Region
b) Place
c) Movement
d) Location
Which of the Five Themes deals with where something is? Either
where are the oldest rocks on the atlantic seafloor located?
Answer:
The oldest parts of the oceanic crust are found farest from the mid ocean ridges at subduction zones and continental shelves.From its beginnings in the 1860s until the Great Depression of the 1930s, the US labor movement faced strong opposition from the government. In the lesson, we discussed how government officials sided with business owners in labor disputes. Some state governments passed laws making strikes illegal. State and federal governments sent troops to break up strikes. Finally, no federal labor laws were passed until the second half of the 1930s.
Why do you think government officials (and the public in general) were opposed to labor unions in the beginning? Why do you think things began to change during the hard economic times of the 1930s?
Answer:
Government officials, and the public in general, were initially opposed to labor unions because they believed them to be a threat to the existing economic power structure. They feared that labor unions would give too much power to workers, and that this could disrupt the balance of power between employers, workers, and government.
Things began to change during the hard economic times of the 1930s because people began to understand the need for workers to have more rights and protections. With the rising unemployment and poverty caused by the Depression, many saw the potential benefits of labor unions when it came to negotiating better wages and working conditions for workers. This shift in public opinion eventually led to the passage of labor laws in the second half of the 1930s.
A geologist is doing a risk assessment for a location where the African plate is moving away from the South American plate.
Which risk description must the geologist give for this location? a) There is high risk of volcanoes and low risk of large earthquakes. b) There is low risk of volcanoes and high risk of large earthquakes. c) There is high risk of both volcanoes and large earthquakes. d) There is low risk of both volcanoes and large earthquakes.
The correct answer is d) There is low risk of both volcanoes and large earthquakes.
When two plates are moving away from each other, it is a divergent plate boundary. In the case described, the African plate and South American plate are moving apart, which is creating a divergent boundary.
At divergent plate boundaries, the risk of volcanic activity is generally low because the pulling apart of the plates creates a gap that allows magma to rise to the surface and solidify, forming new crust. This process is usually not explosive or violent, and it tends to produce relatively mild volcanic activity like fissure eruptions.
Similarly, the risk of large earthquakes is usually low at divergent plate boundaries because the movement of the plates is not as violent as at other types of plate boundaries. However, small to moderate earthquakes can occur as a result of the tension created by the plates moving apart.
Therefore, the geologist must give a risk description of low risk of both volcanoes and large earthquakes at the location where the African plate is moving away from the South American plate.
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Light colored rocks that are high in SiO2 are typically calledA. FelsicB. MaficC. IntermediateD. Phaneritic
"Light colored rocks that are high in SiO2 are typically called A. Felsic." Felsic refers to silicate mine-rals, magma, and rocks which are en-riched in the light-er elements su-ch as silicon, oxygen, alumi-num, sodium, & potas-sium. Therefore, the correct option is A.
Felsic magma or lava is high-er in viscosity than mafic magma/lava. Felsic rocks are usual-ly light in color and have spec-ific gravities less than 3. We term such mag-mas silicic (Si-rich), or felsic (contr-action of feldspar and silica). Light-colored mine-rals domi-nate felsic rocks, so many geo-logists use the term felsic to re-fer to any light-colored igneous rock, even if the chem-ical composition is un-known.
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Which environment usually experiences the most extreme seasonal variations?
A. tropical forest
B. The open ocean.
C. Boreal Forest
D. Tidal pool.
Answer:
Tidal Pools
Explanation:
Tidal pools usually experience the most extreme seasonal variations. They are located in the intertidal zone, which is the area of the shore that is covered and uncovered by the tides. As a result, the organisms that live in tidal pools are exposed to extreme variations in temperature, salinity, and other environmental factors as the tides come in and go out. This can make life challenging for the organisms that live there and can lead to high levels of seasonal variability in the tidal pool ecosystem.
Which stressor would be classified as a bioecological influence? Select one: A. Poor diet. B. Pessimism C. Inadequate sunlight. D. Massive urban sprawl.
Because it is influenced by variables beyond an individual's control, such as food availability, affordability, and quality, a poor diet is an example of a bioecological influence.
Three sources of social stress?Examples of social stresses include age, race, or sex discrimination, socioeconomic disadvantage, unhappy marriages or partnerships, anxiety brought on by significant life transitions (like the loss of a spouse, retirement, or change in living environment), and social isolation.
Ambient stress: What is it?July 28, 2022. According to New York-based clinical psychologist Laurie Ferguson, Laura Grafe, an assistant professor of psychology, is one of the researchers mentioned in a Time magazine article regarding ambient stress, commonly referred to as "stress that is under the level of consciousness, running in the background."
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the magnetic record in the rock on the ocean floor depends on when the rock was
The magnetic record in the rock on the ocean floor depends on when the rock was floored.
The process of paleomagnetism can be used to determine any rock's magnetic history.
The term "paleomagnetism" in refers to the magnetic polarisation that the minerals in a rock acquired at the time the rock was deposited or consolidated.
Paleomagnetism, broadly speaking, is the study of ancient pole locations and employs magnetization to extrapolate the direction and intensity of the geomagnetic field in the past.
Rocks with specific magnetic minerals can preserve information about the strength and direction of the Earth's magnetic field at the time of formation.
This record offers details on the geomagnetic field's earlier behaviour and the tectonic plates' earlier positions. This aids in identifying the rock's magnetic record.
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explain how subduction leads to volcanic activity.
Subduction leads to volcanic activity because when an oceanic plate is forced beneath a continental plate, the heat and pressure cause melting and the formation of magma.
Subduction occurs when one tectonic plate is forced beneath another tectonic plate. When this happens, the plate that is being forced down (usually an oceanic plate) begins to sink into the Earth's mantle, which is hotter and more fluid than the crust. As the oceanic plate sinks deeper into the mantle, it experiences increasing temperatures and pressures. These conditions cause the plate to begin to melt, and the magma that forms begins to rise back up towards the surface. If the magma reaches the surface, it can erupt as a volcano. This type of volcanic activity is common in areas where subduction is occurring, such as the Ring of Fire in the Pacific Ocean. The magma that is formed during subduction is typically rich in volatile elements, such as water and carbon dioxide, which can make the eruptions more explosive. Overall, subduction is a major cause of volcanic activity around the world, and understanding the processes that occur during subduction is key to predicting and mitigating volcanic hazards.
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what is the general area for the plantar surface?
The general area is the bottom of the foot that makes contact with the ground during walking or standing and is referred to as the plantar surface or sole.
The forefoot, midfoot, and hindfoot are the three sections that make up the foot, which stretches from the toes to the heel. The metatarsal and phalangeal bones, which make up the toes, are located in the forefoot. The tarsal bones are part of the midfoot, which also serves to maintain the foot arch.
The talus bone, which joins the foot to the leg, and the heel bone, or calcaneus, are located in the hindfoot. The thick, hard skin that covers the plantar surface of the foot aids to shield it from harm and provides traction when walking or standing.
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What do geologists look for when observing a rock sample?
Geologists examine a rock sample to determine its mineral makeup, color, and structure. Mineral and other elements are combined to form rocks.
They might also try to find solutions to issues brought on by environmental threats like erosion and flooding. Geologists research the components, mechanisms, and past of the planet. They look into the formation of rocks and what has occurred to them since then. Numerous colleges and universities have science or geology departments that train students for jobs in the field. These require the faculty to have qualified professionals who can teach geology classes. There are several titles for departments, including Earth Science and Geoscience. By enrolling in foundational math, science, and geography classes, students who are interested in geology can get ready. No academic subject is easier or more difficult to acquire than geology. But if you want to succeed in the field, it is a science and takes effort and commitment.
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cartographers can represent the spherical earth on a flat paper by making a
b) By projecting, or casting shadows from the spherical world onto a flat piece of paper, cartographers can depict the spherical earth on a flat piece of paper.
A cartographer is what?To produce maps that depict current trends, cartographers collect information and conduct studies on the geographic characteristics of a given area. These maps are produced by cartographers for governments and businesses for political, cultural, and educational objectives using art, science, and technology.
A practitioner who creates maps to convey spatial information is a cartographer. They acquire information using geodetic surveys, satellite photos, and other techniques to support local and regional planning, as well as environmental condition monitoring, by the government.
To describe a geographic area, the study of maps, or the profession of cartography, integrates science, technology, and art. Cartographers produce printed or digital maps that show details about a location's population density and demographics. These graphic aids assist in giving more details about a location.
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Correct question:
Cartographers can represent the spherical Earth on flat paper by making a(n) which is like casting shadows from the spherical world onto a flat piece of paper
a. unwarping
b. projection
c. flattening
d. peel
why can there be no breaks in the thin-layer surface of a tlc plate?
Thin-layer chromatography (TLC) plates are used to separate and analyze different compounds in a mixture based on their differing affinities for a stationary phase (usually a silica gel or alumina) and a mobile phase (usually a solvent).
TLChromatography plates are made of a thin layer of the stationary phase coated onto a flat support, such as a glass or plastic plate. It is important that the surface of the TLC plate is continuous and without breaks or scratches because any damage to the surface can disrupt the even distribution of the stationary phase, leading to irregularities in the separation and reduced accuracy of the analysis. A break or scratch in the surface of the TLC plate can cause the stationary phase to be disrupted or removed in that area, which can affect the separation and cause the compounds to migrate differently than they would on an intact surface. This can lead to inaccurate results, and it can make it difficult to compare the TLC plate to other plates or to obtain reproducible results. Therefore, it is important to handle and store TLC plates carefully and to avoid any damage to their surfaces.
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ice floats on a lake. this characteristic of water is responsible for
Answer:
Density
Explanation: Density: An unusual characteristic of water is that, unlike most solids, ice is less dense than liquid water. For this reason, ice cubes float in a glass of water rather than sink to the bottom of the glass.
what type of parent body must carbonaceous chondrite meteorites come from?
The parent body from which the carbonaceous chondrite meteorites come from diverse asteroids.
A chondrite is basically a stony as well as a non-metallic meteorite which has not been modified by either differentiation or the melting of the parent body. They are basically formed when the different types of dust as well as the small grains which are present in the early Solar System accreted in order to form the primitive asteroids.
The chondritic meteorites basically comprise of about 8 known groups as well as some of the ungrouped meteorites. They happen to include some of the most primitive known meteorites.
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What is weathering and erosion example?
Answer:
Example of weathering: Wind and water cause small pieces of rock to break off at the side of a mountain. Weathering can occur due to chemical and mechanical processes. Erosion is the movement of particles away from their source. Example of erosion: Wind carries small pieces of rock away from the side of a mountain.
Explanation: