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Nishchay Gupta from Cambridge Court World School, Jaipur
Subject :NSO    Class : Class 3

Smoke released from chimneys of houses mainly causes _________.

AWater pollution
BSoil pollution
CNoise pollution
DAir pollution


d

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Smoke released from chimneys of houses spreads in the air surrounding the houses, mainly causes air pollution.


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