| I. They are 1000 times more heat absorbent than carbon dioxide |
| II. They reach the atmosphere from refrigeration & air conditioning, aerosol sprays, and foam packaging industry. |
| III. They are responsible for 30% of greenhouse effect |
A) I & II
B) II &III
C) Only III
D) All the above
Correct Answer: A
Solution :
Chlorofluorocarbons (CFCs) and their replacements (15%) are 1000 times more heat absorbent than carbon dioxide. They reach the atmosphere from refrigeration & air conditioning, aerosol sprays, and foam packaging industry
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