MCQOPTIONS
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MCQOPTIONS
| 1. |
What is the major reason of ozone depletion? |
| A. | Release of CO |
| B. | Release of CO<sub>2</sub> |
| C. | Release of CFC |
| D. | Release of CH<sub>4</sub> |
| Answer» D. Release of CH<sub>4</sub> | |