Answer:
Basalts and gabbros can form at divergent plate boundaries, where magma rises up from the mantle and solidifies into basaltic or gabbroic rock as it cools and spreads out. They can also form at hotspots, where magma from the mantle rises up to the surface and forms volcanic islands or plateaus. Additionally, basaltic rocks can form at convergent plate boundaries where oceanic crust is subducted beneath a continental plate and partially melts, leading to the formation of volcanic arcs
Explanation:
what is the asthenosphere? group of answer choices it is the surface that separates the crust from the mantle. it is the zone of weakness in the mantle on which the lithosphere moves. it is in the surface that separates the inner and outer core. it is the zone that separates the continental crust from the oceanic crust. it is the same as the gutenberg discontinuity.
Answer:
The lithosphere can't be classified neatly as either crust or mantle because it consists of both.
Explanation:
on a glacier, the area where the accumulation of ice and snow exactly balances the loss is called the . multiple choice question. equilibrium line ablation zone terminus blue-ice zone
On a glacier, the area where the accumulation of ice and snow exactly balances the loss is called the equilibrium line.
This line separates the ablation zone, where there is net ice loss due to melting, sublimation, and calving, from the accumulation zone, where there is net ice gain due to snowfall.
The equilibrium line shifts over time depending on the rate of snowfall and ablation, and it can be influenced by climate change. If the equilibrium line moves higher up the glacier, the accumulation zone decreases while the ablation zone increases, leading to glacier retreat.
Conversely, if the equilibrium line moves lower down the glacier, the accumulation zone increases while the ablation zone decreases, leading to glacier advance.
Understanding the location and movement of the equilibrium line is important for predicting the response of glaciers to climate change and for assessing the future availability of water resources in mountainous regions.
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Where will the sun be shining at midnight on December 22nd?A. The EquatorB. North PoleC. South PoleD. No locations on the earth
At the South Pole, the sun be shining at midnight on December 22nd.
For the Northern Hemisphere this year, the sun will be at its southernmost position in the sky on December 22. Additionally, it represents the Southern Hemisphere's northernmost point in the sky this year. On December 22, 2023, at 3:27 UTC, is the December solstice.
As seen from the Tropic of Capricorn, the sun will be above at noon on this solstice. The December solstice will bring the year's longest nights and shortest days for those of us in the Northern Hemisphere. It will be the season with the shortest nights and longest days in the Southern Hemisphere. The sun will once again turn northward following this solstice.
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What did the first seed agriculture originate?Western India, northern China, Ethiopia, Southern Mexico, Northern Peru
Seed agriculture originated in Western India, northern China, Ethiopia, Southern Mexico, and Northern Peru.
Seed farming has roots that may be found in many different parts of the world. In Western India, there is evidence of seed-based agricultural techniques reaching back thousands of years, making it one of the thoughts to be the first places where agriculture evolved. The early rice and millet farming in Northern China is well-known.
Agriculture in Ethiopia has a long history, and products like teff and barley have been grown there. The domestication of plants like maize, beans, and squash in southern Mexico and northern Peru is credited with breakthroughs in seed-based agriculture in the Americas.
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Of the following countries, which has the largest proven reserves of strategic metals?Chinaold Japanold Saudi Arabiaold The United Statesold Franceold
The country which has the largest proven reserves of strategic metals is South Africa.
Metals employed in vital sectors including aircraft, mobile technology, telecommunication, national defence, etc. are referred to as strategic metals. Strategic metals are ones that are lightweight and significantly stronger.
Strategic metals should be corrosion resistant and unaffected by air, water, or moisture content. These metals include titanium (Ti) and zirconium (Zr), as examples. Due to its use, titanium is light, corrosion-resistant, and has high melting and boiling points.
Therefore, South Africa has the largest proven reserves of strategic metals.
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TRUE OR FALS 98) A unitary state allocates strong power to local governments within the country.
A unitary state allocates strong power to local governments within the country. The statement is true.
A state that is administered by a single power, with the central government having ultimate authority, is referred to as a unitary state. As "one and indivisible" entities, the unitary states do not share sovereignty. This indicates that inhabitants are ruled by a single, consistent authority throughout the entire country.
The presence of subnational administrations, who are also directly chosen by the populace and have some political and administrative autonomy, is not excluded by this. However, subnational governments are only able to exercise the authority that the national government chooses to grant them. Thus, the degree of subnational powers, responsibilities, and resources, as well as the level of autonomy they have over these various components, determine whether unitary regimes are more or less decentralized. Subnational entities can be established and eliminated under a unitary state.
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how did korea first react to contact with the west?
Korea's initial reaction to contact with the West was one of cautious curiosity mixed with concern about potential foreign influences on their culture and society.
What was Korea's initial reaction to contact with the West?When Korea first made contact with the West, particularly during the late 19th and early 20th centuries, the country's response was a mix of curiosity and caution. While some Koreans were intrigued by Western technology, culture, and trade opportunities, there was also a sense of unease about the potential impact of Western influences on Korea's traditional values and social structure.
This was particularly true as Western powers began to assert their influence and impose unequal treaties on Korea, which led to political and economic challenges. As a result, Korea went through a period of grappling with the idea of modernization while striving to maintain its unique cultural identity. This initial reaction to contact with the West played a significant role in shaping Korea's approach to foreign relations and modernization efforts in the years to come.
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The following conditions affect incoming shortwave radiation except:[Hint: Review the factors in the atmosphere that affect solar radiation in Chapter 1]A. Cloud CoverB. HazeC. Thick atmosphere (low elevation location)D. Low Albedo
The following conditions affect incoming shortwave radiation except: D. Low Albedo. A low albedo indicates that a surface is absorbing more shortwave radiation rather than reflecting it.
Cloud cover,haze,a thick atmosphere are all factors that can influence the amount of incoming shortwave radiation by reflecting, scattering, or absorbing solar radiation before it reaches the Earth's surface.
Cloud cover can block or reflect solar radiation, haze scatters and absorbs radiation, and a thicker atmosphere at low elevations allows for greater interaction between solar radiation & atmospheric constituents.
In contrast, low albedo surfaces absorb more solar radiation and do not directly affect the amount of incoming shortwave radiation.
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What is the difference between a radiogenic and a stable isotope? Be specific and complete in your answer.
A radiogenic isotope is an isotope that is formed as a result of the decay of a radioactive parent isotope. This means that the radiogenic isotope has been formed by the breakdown of a parent isotope through a process of radioactive decay.
Radiogenic isotopes are often used in geology and geochemistry to study the age and formation of rocks, as well as the processes that have shaped the Earth over time.
On the other hand, a stable isotope is an isotope that does not undergo radioactive decay. This means that stable isotopes have a stable nucleus and do not change over time. Stable isotopes are often used in a variety of fields, including geology, biology, and archaeology, to study the movement of materials through natural systems and to trace the sources of various substances.
In summary, the main difference between radiogenic and stable isotopes is that radiogenic isotopes are formed as a result of radioactive decay, while stable isotopes have a stable nucleus and do not undergo radioactive decay.
The source of about 50% of the Earth's internal heat is radioactive decay. Due to their concentration in comparison to other radioactive isotopes such as uranium-238 (238U), uranium-235 (235U), thorium-232 (232Th), and potassium-40 (40K), four radioactive isotopes are responsible for the general population's radiogenic warmth.
The term "radioactive heating" refers to the energy lost during the radioactive decay of radioactive isotopes inside the interiors of planets, satellites, or asteroids (see radiochemistry). The decay energies and half-lives of radioactive isotopes serve as indicators of these properties.
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on the surface map below, isobars are solid lines and isotherms are dashed lines. note the red l representing a center of low pressure. which of the positions is the area of strongest cold advection?
The area of strongest cold advection on the surface map is located to the northwest of the low-pressure center represented by the red "L."
This is because the isotherms in that area are closer together, indicating a greater temperature gradient and faster movement of cold air into the region. Cold advection occurs when a mass of cold air moves into an area, replacing warmer air.
This can happen due to several factors, including the movement of a cold front or the circulation around a low-pressure system.
In this case, the low-pressure center is likely causing the cold advection as it pulls colder air from the north into the region. It's important to note that this map represents a specific moment in time and that weather patterns can shift and change rapidly.
However, at the time the map was created, the area to the northwest of the low-pressure center was experiencing the strongest cold advection.
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How does the cold and hot rolling processes differ?
The difference between cold rolling and hot rolling is mainly the temperature of the rolling process.
“Cold rolling” is carried out at room temperature, while “hot rolling” is carried out at a high temperature.
2.what causes earthquakes? explain the processes using the following terms: stress, strain, elastic rebound, elastic energy, friction, brittle failure, and seismic waves
Which of following locations is the usually the warmest across North Carolina on sunny, summer day? Note that Wrightsville Beach and Fayetteville have sandy soils. Hint: Consider soil character and proximity to water.A. Wrightsville BeachB. FayettevilleC. Asheville
The warmest location across North Carolina on a sunny, summer day is typically Fayetteville. This is due to its sandy soil and distance from water bodies. The correct option is B.
Sandy soils absorb and retain more heat compared to other soil types, which contributes to higher temperatures in the area. Wrightsville Beach, although it also has sandy soils, is cooler due to its proximity to the ocean.
Coastal areas usually have milder temperatures because the ocean water moderates the heat, providing a cooling effect. On the other hand, Asheville has cooler temperatures because of its location in the mountains, which results in higher elevations and lower average temperatures.
In summary, Fayetteville's sandy soil and distance from water sources make it the warmest location among the three on a sunny, summer day in North Carolina.
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