Multiple Choice
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.
Correct Answer:
Verified
Correct Answer:
Verified
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Q2: Which of the following exists highest in
Q4: The stratosphere is the atmospheric layer which
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