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om subham pati from Dps ranchi, Ranchi
Subject :NSO    Class : Class 9

Which of the following activities will not lead to both air and water pollution?

A Burning of fossil fuels
B Use of CFCs
C Use of pesticides in crop fields
D Setting up of a chemical factory near water body


all options may be correct

Ans 1:

Bhavya goel from Deep memorial public school, Ghaziabad
Class : Class 9
B

Ans 2:

VIJAY KUSHWAHA from CENTRAL HINDU BOYS SCHOOL VARANASI, VARANASI
Class : Class 10
All option are wrong.

Ans 3:

Kinshuk from USPC Jain Public School , Ludhiana
Class : Class 9
All are correct

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