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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 14 times)

APUS57

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

C

Answer to Question 2

TRUE


APUS57

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Reply 2 on: Jul 27, 2018
Gracias!

shewald78

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Reply 3 on: Yesterday
Wow, this really help

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