Which of the following are the main sources of indoor air pollution? 1: Excess m

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Which of the following are the main sources of indoor air pollution?
1: Excess moisture
2: New carpets
3: Outdoor pollution
4: Pesticide
Select the correct answer from the codes given below-

Options:

A . 1,2,3,4

B . 3 and 4 only

C . 1,2 and 4 only

D . 2,3 and 4 only

Answer: Option A
INDOOR POLLUTION IS CAUSED BY INADEQUATE VENTILATION, RELEASE OF RADON GAS, OUTDOOR POLLUTION, PESTICIDES, EXCESS MOISTURE WITHIN THE HOUSE. WHILE INSTALLING NEW CARPETS SOME ADHESIVES ARE USED WHICH RELEASE VOLATILE ORGANIC COMPOUNDS THUS CAUSING INDOOR POLLUTION.

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