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Science and Technology - General Knowledge Questions
Biodegradable pollutant is
A)
Sewage
B)
Mercury
C)
Polythene
D)
DDT

Correct Answer :   Sewage

Biodegradable pollutants are the waste emerging from a household which can be decomposed by microorganisms. These substances can be easily decomposed by naturally occurring agents such as oxygen, water, ultraviolet rays, microbes, acid rains, etc.

Published On : June 12, 2021
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