Question

what are the harmful effect of photochemical smog and how they can control

Answer 1

firstly the smog produced due to the mixture of smoke and fog which adds to the air pollution ...if inhaled they can cause lung problems , asthma , bronchitis etc
it can be control by reducing pollution..

Answer 2

Smoking, burning of trees , cutting trees,...etc are the harmful effect of photochemical smong.and we should plane trees and by taking care of trees they can be control.