Question

4. The layer of atmosphere where ozone is found is called
5. The ozone layer protects us from the Los
of the sun
B. Write True or False.
1. Aeroplanes flying in the sky cause global warming.
2. Forest fires do not cause global warming.
3. Ozone is found in the troposphere.F
4/ The ozone layer is harmful for humans and animals. I
5. CFCs and BFCs protect the ozone layer.
C. Choose the correct option.
1. Oxygen/Carbon dioxide is a greenhouse gas.
2. Use of fossil fuels/hydroelectricity causes global warming.
3. Cattle release methane/CFCs.
4. Global warming will reduce/increase climate change.
5. The ozone layer is found between 20 and 40/40 and 60 km above the earth's surface.
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Answer 1

Answer:

4. Stratosphere

5.

B.

1.True

2.False

3.False

4.False

5.False

C.

1.Carbon dioxide

2.Use of fossil fuels

3.Methane

4.Increase

5.20 and 40