Multiple Choice
Which of the following is not true of chlorofluorocarbons?
A) They have been used as propellants in spray cans.
B) They are used in refrigeration systems.
C) They are used to make foam products.
D) CFCs are stable under conditions at Earth's surface.
E) CFCs role in depleting ozone has yet to be confirmed.
Correct Answer:

Verified
Correct Answer:
Verified
Q48: Which of the following is not cited
Q49: Why is the hole in the ozone
Q50: O3 in the lower troposphere<br>A)forms acid rain.<br>B)is
Q51: Sources of natural variable pollutants and materials
Q52: Why does temperature increase with altitude in
Q54: Temperature inversions occur<br>A)when surface temperatures are higher
Q55: List and describe the main gases of
Q56: Which of the following lists the correct
Q57: Earth's second atmosphere likely formed from<br>A)water vapor
Q58: Which is true of the amount of