Author Question: ________ is (are) crucial to the formation of clouds in the atmosphere. A) Ozone B) Argon C) ... (Read 107 times)

kwoodring

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________ is (are) crucial to the formation of clouds in the atmosphere.
 
  A) Ozone
  B) Argon
  C) Neon
  D) Particulates
  E) Lightning

Question 2

Which of the following is TRUE of CFCs?
 
  A) They are now banned by international treaty.
  B) They have disappeared in the atmosphere.
  C) They are very toxic to humans.
  D) They are not able to exist for long in the atmosphere.
  E) They are now the most dominant gases in the stratosphere.


aadams68

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: A



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