Discuss Forum
1. which one among the following is responsible for formation of 'Ozone Holes 'in the stratosphere?
- A. Chloro Fluoro Carbons
- B. Chloro Fluoro Carbons
- C. Chloro Fluoro Carbons
- D. Chloro Fluoro Carbons
Answer: Option A
Explanation:
Chlorofluorocarbons (CFCs) and other halogenated ozone depleting substances (ODS) are mainly responsible for man - made chemical ozone depletion. The total amount of effective halogens (chlorine and bromine) in the stratosphere can be calculated and are known as the equivalent effective stratospheric chlorine (EESC).
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