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Author Question: What if Mars were inhabitable by humans and we had developed the technology to transport and settle ... (Read 44 times)

rachel9

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on: Aug 27, 2018
What if Mars were inhabitable by humans and we had developed the technology to transport and settle half the world's population there?
 
  At present birth rates, how long would it be before we were faced with not one but two world populations of 6 billion? (Hint: In what year did the world population hit 3 billion?)
  A) millions of years
  B) thousands of years
  C) hundreds of years
  D) tens of years

Question 2

The natural partner to sustainable energy is ________.
 
  A) the United Nations
  B) shale natural gas
  C) energy conservation
  D) artificial photosynthesis


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aadams68

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

D

Answer to Question 2

C


rachel9

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Reply 2 on: Aug 27, 2018
:D TYSM

Liddy

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Reply 3 on: Yesterday
Wow, this really help

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