the most common mineral, the silica tetrahedron, is shown in two representations of the essential building component of silicate minerals.
What is meant by abundant minerals?Bridgmanite, sometimes called Silicate-Perovskite, is the mineral that is most frequently found in absolute. An estimated 38% of the earth's volume is made up of it, which is made up of silicon dioxide, iron, and magnesium. Yet, the mantle of the earth contains this mineral, which is only stable under conditions of great pressure and temperature. It is hardly present on the surface of the planet.
A meteorite thought to be the remains of a fractured planetoid that fell to Earth in 1879 had samples that were originally discovered, but it wasn't until 2014 that they were classified as minerals.
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which of these u.s. government agencies forecast weather and monitors ocean conditions?
Two U.S. government agencies that are responsible for forecasting weather and monitoring ocean conditions are the National Oceanic and Atmospheric Administration (NOAA) and the National Weather Service (NWS).
NOAA is an agency within the Department of Commerce that is responsible for providing weather and climate forecasts, as well as information about ocean conditions, fisheries, and coastal ecosystems. NOAA also manages and conducts research on a range of environmental issues, including climate change, ocean acidification, and natural hazards.
The NWS is a division of NOAA that is specifically focused on providing weather forecasts and warnings to the public. The NWS operates a nationwide network of weather observation stations, as well as satellites and other advanced technologies, to monitor and predict weather patterns across the country.
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By 1958, America was involved in a race with the Soviet Union to
answer choices
Desegregate workplaces
Explore outer space
Develop new medical procedures for injured soldiers
Build the smallest electronic computer
Answer:
Explore outer space
Explanation:
The “space race” was a Cold War competition between the United States and the Soviet Union to develop aerospace capabilities, including artificial satellites, unmanned space probes, and human spaceflight.
injecting hot fudge into ice cream and causing the ice cream to melt is an appropriate analogy for which cause of magma melt?
When injecting hot fudge into ice cream and causing the ice cream melting due to heat transfer from rising magma.
Magma is defined as the extremely hot liquid and semi-liquid rock located under Earth’s surface. Earth consist of a layered structure that consists of the inner core, outer core, mantle and crust. Most of the planet’s mantle consists of magma. The magma can push through holes or cracks in the crust causing a volcanic eruption. When magma flows or erupts onto the surface of the Earth it is called lava. Magma is a mixture of minerals like solid rock. Magma contains small amounts of dissolved gases such as water vapor, carbon dioxide, and sulfur. It is the is the molten or semi-molten natural material from which all igneous rocks are formed.
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the amount and timing of precipitation a region receives is ultimately controlled by ______.
The amount and timing of precipitation a region receives is ultimately controlled by its climate and weather patterns.
Climate sets the long-term patterns and averages of temperature, humidity, and precipitation in a region, while weather determines the short-term variations in these patterns, such as daily or weekly fluctuations in temperature, wind, and precipitation. The factors that influence climate and weather patterns include latitude, altitude, proximity to oceans and other large bodies of water, prevailing winds, the distribution of land and water on Earth's surface, and many other factors. These factors can cause precipitation to be unevenly distributed over time, leading to periods of drought or heavy rainfall in different regions.
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the ________ are a geologically old mountain range folded and deformed during the paleozoic.
The Appalachians in the eastern united states are a geologically old mountain range folded and deformed during the Paleozoic.
The Appalachians are called as great highland system of North America. These are the eastern counterpart of the Rocky Mountains. It is extending for almost 2,000 miles that is 3,200 km from the Canadian province of Newfoundland and Labrador to central Alabama in the United States. These mountains form a natural barrier between the eastern Coastal Plain and the vast Interior Lowlands of North America. This dominates the eastern United States and separate the eastern seaboard from the interior with a belt of subdued uplands that extends nearly 1,500 miles that is 2,400 km from northeastern Alabama to the Canadian border.
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what is shales parent rock
Fine-grained mud and clay particles are compacted and lithified to form the sedimentary rock known as shale. Shale's parent rock is typically mudstone, a type of sedimentary rock with extremely fine-grained particles smaller than those in sandstone or conglomerate.
In lacustrine (lake) or marine environments, mud and silt build up to form mudstone.
The weight of the sediment that lies above compacts the mud and silt over time, causing it to solidify and transform into rock. Through the process of diagenesis, the mudstone can change into shale when subjected to higher pressures and temperatures.
Depending on the specific geological conditions, shale can also develop from other types of sedimentary rocks, such as siltstone or claystone.
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metamorphic index minerals are in indicator of ______
The metamorphic index minerals are in indicator of the grade of the metamorphism.
When the index mineral is found in the metamorphosed rock, it will indicates the minimum pressure and the temperature. The higher will be the pressure and the temperature in which the rock is formed, the higher will be the grade of the rock . The Index minerals in the metamorphic rocks that will indicate the how much the original rock is metamorphosed, and it is called as the grade of the metamorphism.
The Metamorphic petrology is the important for the understanding the processes that will take place within the Earth's interior. Thus, the grade of the metamorphism will depends on the metamorphic index.
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Question 3 of 15
Match the cold climate zone in column 1 to the characteristic in
Note that the characteristics in the Cold Climate Zone are matched accordingly:
Icecap - ColdTundra - Coldest climateNonpermanent Ice - Freeze-thaw cyclesHighlands - Ice close to the equatorWhat is the rationale for the above response?Note that an ice cap is a permanent feature characterized by extremely cold temperatures, while nonpermanent ice, such as glaciers and frozen lakes, undergo freeze-thaw cycles due to changes in temperature.
Highlands, which can be found at higher elevations near the equator, may have ice due to cooler temperatures even in warmer regions.
Thus, the corresponding characteristics for each zone in column 2 are cold, freeze-thaw cycles, and ice close to the equator, respectively.
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Why do you think Costa Rica has set aside a larger percentage of its land for biodiversity conservation than the United States has? Should the United States reserve more of its land for this purpose? Explain.
"Costa Rica's biodiversity relies largely on its forest while it is not the same thing in the U.S." Costa Rica is in tropical area. U.S should put more effort in preserving forests.
In 2020, a report by two United Nations environmental bodies warned that unless radical and creative action is taken now to conserve the Earth's biodiversity. Many local and regional ecosystems that support human lives are at risk of collapsing.
To reduce deforestation, wide spread removal of forests, the government of Costa Rica has eliminated subsidies for converting forest land to range land. Instead, it pays land owners to maintain or restore tree cover.
Costa Rica is one of the most biodiverse countries in the world and is located in the centre of Central America. It is believed that there are about 500,000 species there, or about 5% of all species on Earth.
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Which expressions are equivalent to 23? Select all that apply.
207 ÷ 9
345 ÷ 25
644 ÷ 28
1,012 ÷ 44
1,380 ÷ 70
Answer:
Explanation:
number one
number three
what processes cause igneous rock to form?
Igneous rocks are formed through the cooling and solidification of magma or lava. There are two main processes that can cause igneous rock to form:
Intrusive Igneous Rock Formation: When magma cools and solidifies below the Earth's surface, it can form intrusive igneous rocks. As magma cools, it loses its heat and minerals crystallize and solidify. The slower the cooling process, the larger the crystals that form in the rock. Examples of intrusive igneous rocks include granite, gabbro, and diorite.The composition of the magma or lava, such as the types and amounts of minerals and gases, also plays a role in determining the type of igneous rock that forms. Additionally, the rate of cooling and the environment where the cooling occurs can affect the texture and appearance of the igneous rock.
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Why does Mars have an overall reddish color when we see its surface from afar?
A. This is an optical illusion caused by the Earth's atmosphere scattering the colors of light differently
B. Mars is completely cloudy, and its clouds are made of red materials
C. The material of Mars' surface contains a lot of iron oxide, the same chemistry that makes rusting metals look reddish
D. the giant volcanoes on Mars are constantly spewing out reddish lava
E. The martians are constantly at war, and spilling a lot of red blood
should everyone be educated at the farm or would this lead to any problems?
"If every-one is educated, then the pigs may worry that the animals would be able to see through them." If the other animals were more educated, they would have stop-ped the swine from their sel-fish dominance. The basic ideas in Animal Farm educate every-one to take their chances to educate them-selves.
In George Orwell's story, Animal Farm, Orwell demonstrates that education is a power-ful weapon and is a tool that can be used to one's advant-age. Living in a world where power is ea-sy to gain, the pigs quickly use edu-cation (or lack there-of) to manipulate the rest of the ani-mals on the farm to serve them-selves.
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State two services that tour operators provide for their customers when at a destination
Answer:
guide service
Explanation:
because that are guidea
If the ages of Earth and the Moon are nearly identical, as believed, why are most rocks found on the moon so much older than Earth rocks? O the moon is older O the moon has no weathering or plate tectonics O age dating techniques are just too inaccurate O coincidence
The most likely reason why most rocks found on the moon are so much older than Earth rocks is that the moon has no weathering or plate tectonics, which has allowed its surface to remain relatively unchanged for billions of years.
Therefore the answer is second option.
The ages of Earth and the moon are believed to be nearly identical, based on radiometric dating of rocks and other evidence. However, the majority of rocks found on the moon are much older than the oldest known rocks on Earth. This is likely due to the fact that the moon has no atmosphere or weathering, which means that its surface has remained largely unchanged for billions of years. On Earth, the constant cycling of rock through plate tectonics and weathering has destroyed or altered much of the original rock record. In addition, the moon's smaller size and lower gravity means that its internal heat dissipated more quickly than Earth's, leading to an earlier cessation of geological activity. As a result, the moon's surface has been effectively "frozen in time," allowing scientists to study rocks and other features that provide valuable clues to the early history of the solar system. Overall, the lack of weathering and plate tectonics on the moon is likely the main reason why its rocks are so much older than Earth rocks.
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in which countries did a powerful earthquake happen resulting in a death toll of 4300 lives?
A powerful earthquake resulting in a death toll of 4300 lives happened in two countries: Haiti and Mexico.
An earthquake is a natural disaster that occurs when the earth's crust shakes, often caused by the movement of tectonic plates. The strength of an earthquake is measured using a seismometer and reported on the Richter scale. In this case, the earthquake was powerful enough to cause significant damage and loss of life in two countries: Haiti and Mexico. The death toll refers to the number of people who lost their lives as a result of the earthquake. Recovery efforts in the aftermath of an earthquake often involve search and rescue operations, medical assistance, and rebuilding infrastructure to help affected communities recover from the disaster.
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fun facts about mars
Answer:
Named after the Roman God of war, Mars is the fourth planet from the sun in our solar system.
Mars is also known as the 'Red Planet' because, well, it's red! ...
Mars is the second smallest planet in the solar system after Mercury.
Explanation:
What are processes that occur at the surface of the Earth's crust called?
Answer:
Just as oceanic crust is formed at mid-ocean ridges, it is destroyed in subduction zones. Subduction is the important geologic process in which a tectonic plate made of dense lithospheric material melts or falls below a plate made of less-dense lithosphere at a convergent plate boundary.
Explanation:
https://education.nationalgeographic.org/resource/crust/
Solidarity studied rocks and how they help show the history of earth. She knew that scientists use different ways to find out how old rocks layers are and recognize one such example in the rock in the image
Answer:
Explanation: She did this so she could find a way to help the earth
1. How do the ideas of red shift support the big bang theory?
The ideas of red shift support the big bang theory because light waves are stretched to longer wavelengths as objects in space move away from us.
How do the ideas of red shift support the big bang theory?The idea of redshift supports the Big Bang theory in several ways. Redshift is a phenomenon where light waves are stretched to longer wavelengths as objects in space move away from us.This shift towards longer wavelengths is called a "redshift" because it moves light towards the red end of the spectrum.
One of the key pieces of evidence for the Big Bang theory is that the universe is expanding. This means that galaxies are moving away from each other at high speeds, and as they move away, their light gets redshifted. The amount of redshift is proportional to the distance that the object is moving away from us. This means that more distant objects show more redshift, indicating that they are moving away from us at greater speeds.
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what negative consequences can occur if water from aquifers is overdrawn?
"The negative consequences can occur if water from aquifers is overdrawn is that, the aquifer can dry up, salt water intrusion, lower the level in neigh-boring aquifers."
An aquifer is a body of rock and/or sedi-ment that holds ground water. Ground water is the word used to des-cribe precipitation that has infiltrated the soil beyond the sur-face and collected in empty spaces under ground. There are 2 general types of aquifers: confined and un-confined.
Ground water over-draft almost always causes ground water level declines and sur-face water depletion, and some-times leads to degradation of ground water quality and land subsi-dence.
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you research the star sirius and find that its spectral lines are blue-shifted. what does this tell you about sirius?
You research the star sirius and find that its spectral lines are blue-shifted. Its surface temperature is higher than that of the sun. option a)
The brightest star in the night sky is Sirius. Its name is a translation of the Greek word o, or Seirios, which means "glowing" or "scorching." Canis Majoris, Latinized as Alpha Canis Majoris, and abbreviated as CMa or Alpha CMa are all names for the star.
The next brightest star, Canopus, is not far behind Sirius in terms of brightness, with a visual apparent magnitude of 1.46. A main-sequence star of spectral type A0 or A1, known as Sirius A, and a weak white dwarf companion of spectral type DA2, known as Sirius B, make up Sirius, a binary star.
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Full Question :You research the star Sirius and find that its spectral lines are blue-shifted. What does this tell you about Sirius?
a. Its surface temperature is higher than that of the sun.
b. It has a transverse velocity that is toward us.
C. It has a radial velocity that is toward us.
d. It has a radial velocity that is away from us.
e. It has a transverse velocity that is away from us.
Sapphire-simpson and beaufort scales of tropical cyclone eloise
Answer: Early on 23 January, Eloise peaked as a Category 2-equivalent tropical cyclone on the Saffir–Simpson scale as the center of the storm began to move ashore on Mozambique. Shortly afterward, Eloise made landfall just north of Beira, Mozambique, before rapidly weakening.
Explanation:
When contrasting lava from composite volcanoes to lava from shield volcanoes.?1)composite volcanoes most often produce basaltic lavas with high viscosities, whereas shield volcanoes produce silica-rich lavas with low viscosities.2)both types of volcano produce silica-rich lavas, but the lavas of composite cones have low viscosities, whereas the lavas of shield volcanoes have high viscosities.3)composite volcanoes most often produce silica-rich lavas with low viscosities, whereas shield volcanoes produce basaltic lavas with high viscosities.4)composite volcanoes most often produce silica-rich lavas with high viscosities, whereas shield volcanoes produce basaltic lavas with low viscosities.5)composite volcanoes most often produce basaltic lavas with low viscosities, whereas shield volcanoes produce silica-rich lavas with high viscosities.
Composite volcanoes most often happen to produce lavas which are silica-rich and also have high viscosities whereas the shield volcanoes happen to produce basaltic lavas which have low viscosities.
The correct option is option 4.
Composite volcanoes are basically large volcanoes which are basically composed of pyroclastic deposits, lava flows, and mudflow or the lahar deposits. Composite volcanoes are found to be active over long periods and also erupt periodically. They produce silicate rich lava which have high viscosity.
Shield volcanoes are broad volcanoes having shallow inclining sides. Most of the shield volcanoes are basically formed from the fluid, basaltic lava flows which have low viscosity.
Hence, the correct option is 4.
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How are the magnetic stripes on the seafloor oriented with respect to mid-ocean ridges?
The magnetic stripes on the seafloor are generally oriented parallel to the mid-ocean ridges. The earth's magnetic field "Flips" every few million years, so the stripes alternate between normal and reversed polarity.
When a new seafloor is created at a mid-ocean ridge, the rocks on either side of the ridge record the current polarity of the earth's magnetic field. When the earth's polarity flips, the new seafloor rocks will record a different polarity, thus creating a stripe of alternating normal and reversed magnetic polarity.
The alternating stripes also known as magnetic anomalies, are parallel to the mid-ocean ridges because the ridges are where the seafloor is created. The new seafloor is formed by the upwelling of hot rock from the mantle, and this hot rock is magnetized according to the earth's current magnetic field. As the new seafloor spreads away from the ridge, it records the earth's magnetic field at the time of its formation
The stripes, therefore, record the history of the earth's magnetic field. as well as the rate at which the seafloor is spreading. This pattern of magnetic stripes is one of the key pieces of evidence that supports the theory of seafloor spreading.
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the volcanoes in the ring of fire are generally described as what?
The volcanoes in the ring of fire are generally described as being explosive.
The Ring of Fire is an area around the Pacific Ocean where tectonic plates meet, resulting in a high concentration of volcanic activity and earthquakes. The volcanoes in the Ring of Fire are known for their explosive eruptions, which can send ash, gas, and lava high into the air. This is due to the fact that the magma that forms in this region tends to be more viscous, or sticky, and contains more gas than the magma that forms in other areas. As a result, pressure can build up inside the volcano until it erupts violently. Some of the most well-known volcanic eruptions in history have occurred in the Ring of Fire, such as the 1980 eruption of Mount St. Helens in Washington state, USA, and the 1883 eruption of Krakatoa in Indonesia. The volcanic activity in the Ring of Fire has also created many of the world's largest and most fertile islands, such as Japan and Indonesia.
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in which tectonic settings is magma caused by water lowering the melting temperature of rock?
Magma caused by water lowering the melting temperature of rock occurs in subduction zones and continental rifts.
Water can play a critical role in the formation of magma by lowering the melting temperature of rocks. This occurs because water molecules can get trapped in the mineral structure of rocks, which weakens the bonds between the minerals and lowers the amount of heat required to melt the rock. In subduction zones, when an oceanic plate is forced beneath a continental plate, the oceanic plate sinks into the mantle and is heated. This causes the release of water from minerals in the sinking plate, which then mixes with the mantle wedge above it. The addition of water to the mantle wedge lowers the melting temperature of the rock, causing magma to form. In continental rifts, the stretching and thinning of the Earth's crust can cause the release of water from rocks, which can then mix with the underlying mantle. This addition of water can also lower the melting temperature of the mantle rock, leading to the formation of magma.
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on average, how fast do the plates move on the earth?
Based on what you know about light and matter interactions, select all of the correct statements from the following list.A. Absorption spectra have bright lines.B. Low-density hot gases produce emission spectra.C. Emission spectra have dark lines.D. The size of an electron's orbit depends on its energyE. Atoms absorb energy by emisting photons.F. Electrons will move to higher orbits when an atom absorbs enough energyG. Hot solids emit continuous spectra.
Hot solids emit continuous spectra, Bright-line spectra are created by emission, The size of an electron's orbit depends on its energy, Low-density hot gases produce emission spectra, Electrons will move to higher orbits when an atom absorbs enough energy, Absorption spectra have dark line. Options (a) (b) (c) (d) and (g) are correct.
What do you mean by Light-Matter Interaction?An oscillating electromagnetic field interacts resonantly with charged particles in the matter, most frequently bound electrons, to produce light-matter interactions.
The interaction of matter and energy means that energy and matter can change forms, but cannot be made or destroyed. Energy and matter are often repeated within a system, and different forms of matter and energy are able to act.
Therefore, Options (a) (b) (c) (d), and (g) are correct.
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How important is the interaction between the earth's mantle and crust in terms of plate tectonic activity ?
The interaction between the Earth's mantle and crust is essential for plate tectonic activity, as it is responsible for driving the movement of tectonic plates.
How can the mantle contribute to the crust ?The convection currents in the mantle create areas of upwelling and downwelling, which are responsible for the formation of new oceanic crust at mid-ocean ridges and the recycling of old crust at subduction zones. At mid-ocean ridges, magma rises from the mantle and solidifies to form new crust, which spreads out to either side of the ridge. At subduction zones, oceanic crust is pulled down into the mantle and recycled.
The interaction between the mantle and crust also plays a role in other tectonic processes, such as the formation of hotspots, which are areas of volcanic activity that are not associated with plate boundaries.
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