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Author Question: Why does atmospheric pressure decrease as you go higher in altitude on Earth? A) Gravity gets ... (Read 101 times)

big1devin

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on: Jul 27, 2018
Why does atmospheric pressure decrease as you go higher in altitude on Earth?
 
  A) Gravity gets much weaker with altitude.
  B) The weight of the atmosphere above you decreases with altitude.
  C) Temperature decreases with altitude and lower temperature tends to mean lower pressure.
  D) There are fewer greenhouse gases at higher altitude.

Question 2

A star can be a supernova
 
  A) in predictable cycles of decades.
  B) a few times, at unpredictable intervals.
  C) only if it can fuse iron in its core.
  D) before it reaches the main sequence, if it is massive enough.
  E) only once.


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kjo;oj

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

B

Answer to Question 2

E


big1devin

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Reply #2 on: Jul 27, 2018
Thanks


kjo;oj

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Reply #3 on: Jul 27, 2018
Welcome :)


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