Author Question: According to optimistic estimates, the end of habitability of Earth will come about A) a few ... (Read 70 times)

ssal

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According to optimistic estimates, the end of habitability of Earth will come about
 
  A) a few hundred thousand years from now
  B) a billion years from now
  C) 3 to 4 billion years from now
  D) 100 million years from now

Question 2

The process whereby heat flows by the mass movement of molecules from one place to another is referred to as
 
  A) conduction.
  B) convection.
  C) radiation.
  D) inversion.
  E) evaporation.



otokexnaru

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Answer to Question 1

C

Answer to Question 2

B



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