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Author Question: Why couldn't life have originated on the Moon or Mercury? What will be an ideal ... (Read 30 times)

jc611

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on: Jul 27, 2018
Why couldn't life have originated on the Moon or Mercury?
 
  What will be an ideal response?

Question 2

Why is it difficult to find fossils representative of the time that life began on Earth?
 
  What will be an ideal response?


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kingdude89

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Reply #1 on: Jul 27, 2018
Answer to Question 1

For life to begin, liquid water is needed. The Moon and Mercury are airless worlds, and water would boil away into space immediately.

Answer to Question 2

Fossils this old are difficult to recognize because the earliest living organisms did not contain easily preserved hard parts, like bones or shells, and because the ancient organisms were microscopic.


jc611

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Reply 2 on: Jul 27, 2018
Excellent

momolu

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Reply 3 on: Yesterday
Gracias!

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