Question

B. Answer briefly:
1. Where is the ozone hole?
2. Which gas is mainly responsible for ozone
layer depletion?
3. Mention two effects of global warming
4. What are two reasons for the increase in
greenhouse gases?​

Answer 1

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Answer 2

1) Antarctic

2) Chlorofluorocarbons (CFCs),

3) a) Droughts

b) Heavy snowfall with floods

4) a) The increased use of natural gas, petroleum and coal.

b) Deforestation.

c)Use of fertilizers in farming.