1. Good ozone is found in the

2. This is not the consequence of ozone layer depletion

3. Greenhouses gases causing a rise of 3℃ rise in the overall global temperature in the past century are CFCs The CFC used in refrigerators is

4. Main cause of ozone holes and its depletion is

5. Ozone can be destroyed by the following free radical(s)

6. Following form(s) of oxygen is/are involved in ozone-oxygen cycle

7. Ozone-depleting substance chiefly utilized in

8. Montreal protocol is related to the

9. This is a major risk linked with extreme ultraviolet rays through the atmosphere as a result of ozone layer depletion

10. UV rays is higher in summer as