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Author Question: When we analyze whether a world is a possible home to life, the key thing we look for is ________. ... (Read 38 times)

APUS57

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When we analyze whether a world is a possible home to life, the key thing we look for is ________.
 
  A) surface coloration changes that could indicate vegetative growth
  B) evidence of atmospheric oxygen
  C) the past or present existence of liquid water
  D) the presence of organic molecules such as amino acids

Question 2

Unlike the nuclear reactions in the Sun, everyday chemical reactions involve only the electromagnetic forces.
 
  Indicate whether the statement is true or false



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FergA

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Answer to Question 1

C

Answer to Question 2

TRUE




APUS57

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Reply 2 on: Jul 27, 2018
:D TYSM


vickybb89

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

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