Author Question: Water leaves the atmosphere through which process? a. evaporation b. expansion c. compression d. ... (Read 140 times)

penza

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Water leaves the atmosphere through which process?
  a. evaporation
  b. expansion
  c. compression
  d. condensation
  e. vaporization



Question 2

Which gas comprises 20.9 of Earth's atmosphere?
  a. oxygen
  b. helium
  c. argon
  d. nitrogen
  e. methane




BUTTHOL369

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Answer to Question 1

d

Answer to Question 2

a



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