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Author Question: Why couldn't life originate on the Moon? a. too many craters b. not within a habitable zone in ... (Read 103 times)

asmith134

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on: Jul 27, 2018
Why couldn't life originate on the Moon?
 
  a. too many craters
 b. not within a habitable zone in the Solar System
  c. lack of atmosphere to keep water on its surface
  d. lack of oxygen in its atmosphere
 e. too cold a surface

Question 2

What was needed to develop in Earth's atmosphere to protect organisms from the harmful effects of ultraviolet radiation?
 
  a. weather patterns
 b. a nitrogenous layer
  c. a greenhouse effect
  d. an ozone layer
 e. reflective clouds


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brittanywood

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

c

Answer to Question 2

d


asmith134

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Reply 2 on: Jul 27, 2018
:D TYSM

dawsa925

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Reply 3 on: Yesterday
Excellent

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