MCQOPTIONS
Saved Bookmarks
| 1. |
A severe decrease in the concentration of ozone in the ozone layer could lead to the following harmful effects |
| A. | A large increase in cataracts and Sun burning |
| B. | Adverse impact on crops and animals |
| C. | Cooling of the Earth's stratosphere and possibly some surface climate effect |
| D. | all of the above |
| Answer» E. | |