Mention any 3 pollutants in air. Write:-
a) the sources of these pollutants.
b) the harmful effects caused by these pollutants.
c) the preventive measures that has to be taken to reduce these pollutants in air.
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Answered by
11
Answer:
c) the preventive measures that has to be taken to reduce these pollutants in air.
Answered by
0
Answer:
B)the harmful effects caused by these pollutants
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