CBSE /Class 9
Science MCQ Based On Natural resources air
Our free online Science test quiz for Class 9, CBSE will assist you to improve your Science skills on every concept in a fun interactive way.
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CBSE Class 9 Science Natural resources air
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Causes of air pollution
Think about composition of air
Harmful effects of air pollution on humans
Can you think of the thing which is not man made?
Water vapour causes
Can you think of the thing which is not man made?
Check fossil fuel combustion
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