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E XE R C I S E

A. Tick () the correct answer.
1. Water/Air pollution is main cause of global warming.
2. Aforestation/Deforestation should be encouraged.
3. Ozone layer/Carbon dioxide protects us from harmfull rays of the sun.
4. Global warming is good/bad for our environment.

B. Correct the given statements and rewrite them.
1. We breathe carbon dioxide from the air.
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2. We should plant more and more trees.
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3. We should use a pipe to wash the vehicles and floors.
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4. Increase in oxygen in atmosphere causes global warming.
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C. Write any three measures for the given places that you can adopt to save your
environment.
1. At School
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2. At Home
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