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Author Question: Briefly describe the formation of our density stratified Earth. ... (Read 46 times)

NguyenJ

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on: Aug 22, 2018
Briefly describe the formation of our density stratified Earth.

Question 2

Salt as a compound does not truly exist in the ocean.
  Indicate whether the statement is true or false


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Briannahope

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Reply #1 on: Aug 22, 2018
Answer to Question 1

The planet grew by the aggregation of particles. Meteors and asteroids bombarded the surface, heating the new planet and adding to its growing mass. At the time, Earth was composed of a homogenous mixture of materials. Earth lost volume because of gravitational compression. High temperatures in the interior turned the inner Earth into a semisolid mass; dense iron and nickel fell toward the center to form the core, while less dense silicates moved outward. Friction generated by this movement heated the Earth even more. The result of density stratification is evident in the formation of the inner and outer core, the mantle, and the crust.

Answer to Question 2

True


NguyenJ

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Reply 2 on: Aug 22, 2018
Excellent

nothere

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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