Question

which of the following are not the source of air pollution
a) Factory emissions
b) burning of solid waste ( garbage)
c) planting of tree
d) frie wood burning​

Answer 1

Answer:

Planting of Trees are not the source of air pollution

I HOPE IT HELPS YOU!!....

Answer 2

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$b)\bf{\green{\: planting \: of \: tree}}$

$\bf{\pmb{\mathbb{\fbox{\red{Hope it's help you}}}}}$