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Which statement is true about the difference between oceanic and continental crust? Answer: A. Continental crust is less dense than oceanic crust. B. Continental crust is made of heavier minerals than oceanic crust. C. Continental crust is generally younger than oceanic crust. D. Continental crust contains less sediment than oceanic crust
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Asked 1/15/2013 12:03:32 PM
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User: Which statement is true about the difference between oceanic and continental crust? Answer: A. Continental crust is less dense than oceanic crust. B. Continental crust is made of heavier minerals than oceanic crust. C. Continental crust is generally younger than oceanic crust. D. Continental crust contains less sediment than oceanic crust





Weegy: Which statement is true about the difference between oceanic and continental crust? Answer: A. Continental crust is less dense than oceanic crust.
Expert answered|selymi|Points 9906|

User: What process powers the movement of tectonic plates? Describe how this process works

Weegy: Not sure what you're exactly looking for, but I'm thinking it's the asthenosphere. The asthenosphere is a thin layer between the crust and the mantle on which the tectonic plates slide/move over. But, [ you are probably looking for the term differentiation. This is where cold, heavy material sinks and hot, light material rises. Oceanic crust is far more dense (or heavier) than continental crust, which is why it sinks, or slides UNDER continental crusts during subduction. This is because oceanic crusts contain a LOT of heavy elements, and continental crusts contain a lot of gaseous, silicic minerals with relatively less dense elements. When the crust reaches a certain depth, it melts from the internal heat and external pressure and melts. Warm masses expand, making them less dense and therefore desire to rise to the surface. Basically: HEAVY MATERIAL SINKS and LIGHT MATERIAL RISES. Also, while the oceanic crust is closer to the mantle and under far more pressure than continental crusts because of it's depth, it is still very, very cold. Well, the sun's heat doesn't reach thousands of feet below the surface, so the temperatures are frigid down there. ]
Expert answered|selymi|Points 9906|

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Asked 1/15/2013 9:40:22 AM
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what does A continental shield result from
Weegy: continental shield, any of the large stable areas of low relief in the Earth’s crust that are composed of Precambrian crystalline rocks. [ The age of these rocks is in all cases greater than 540 million years, and radiometric age dating has revealed some that are as old as 2 to 3 billion years. Shield areas in general are regarded as continental nuclei, the observation often being made that most continental shields are bordered by belts of folded rocks of post-Precambrian age. ] User: Answer the formation of mountains and their subsequent erosion at convergent plate boundaries, the subduction of oceanic lithosphere under continental lithosphere, or the partial melting of magma under a continent (More)
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Asked 1/15/2013 9:33:05 AM
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Asked 1/19/2013 11:27:55 AM
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What happens as water evaporates from the oceans? Answer energy is transferred from the oceans to the atmosphere heat is added to the oceans the atmosphere is cooled User: Earth is not the only planet that has weather. What is required for a planet to have weather? Answer water atmosphere solid surface User: Earth is not the only planet that has weather. What is required for a planet to have weather? Answer: a. water b. atmosphere c. solid surface
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Updated 1/29/2018 10:06:20 PM
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Energy is transferred from the oceans to the atmosphere happens as water evaporates from the oceans.
Added 1/29/2018 10:06:14 PM
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Earth is not the only planet that has weather. Atmosphere is required for a planet to have weather.
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