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Author Question: How did the Earth form? How did the ocean form? Include relevant terminology, dates, and processes. ... (Read 69 times)

darbym82

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How did the Earth form? How did the ocean form? Include relevant terminology, dates, and processes. What will be an ideal response?

Question 2

The Earth was formed by the condensation of a cloud comprised of dust and gas. Indicate whether the statement is true or false.



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shayla

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Answer to Question 1

ANS:Answer
should include:
 The Big Bang Theory was an event in which the universe began expanding from a
geometric point.
 The Big Bang happened approximately 13.7 billion years ago.
 Stars began condensing via accretion about 1 billion years ago.
 Accretion is a process that brings smaller particles together into larger masses.
 The Earth began to form as elements condensed from a cloud of dust and gas.
 Ocean formation begins when the Earth's surface is extremely hot. Water vapor began
escaping to the surface through volcanic activity and outgassing. The vapor eventually
cooled and condensed to form the ocean approximately 4 billion years ago.



Answer to Question 2

ANS: T
The dust and gas that formed Earth came from remnants of exploded stars. The gases and dust were
enriched by the very recycled stars which they came from. Information can be found in the section
Stars and Seas.





darbym82

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Reply 2 on: Aug 22, 2018
Great answer, keep it coming :)


rleezy04

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Reply 3 on: Yesterday
Gracias!

 

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