EASY
8th CBSE
IMPORTANT
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Gas mainly responsible for greenhouse effect is _____.

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Important Questions on Pollution of Air and Water

EASY
8th CBSE
IMPORTANT
Acid rain is caused due to _____.
EASY
8th CBSE
IMPORTANT
Which of the following is responsible for the depletion of ozone layer? 
MEDIUM
8th CBSE
IMPORTANT
The Ganga Action Plan was launched in the year _____.
EASY
8th CBSE
IMPORTANT
The chemical method of purifying water at home is 
EASY
8th CBSE
IMPORTANT
Ozone gas protects us from the harmful ultraviolet rays of the Sun. 
EASY
8th CBSE
IMPORTANT

Oxygen and hydrogen are greenhouse gases.

EASY
8th CBSE
IMPORTANT
Carbon dioxide reduces the oxygen carrying capacity of the blood. 
EASY
8th CBSE
IMPORTANT
The process of nutrient enrichment and growth of plants on the surface of water bodies is called eutrophication.