1.

What is the difference in fog and smog? Give two harmful effects of smog.

Answer»

The water vapour present in air when condenses due to very low temperature is called fog. The smoke released in the air due to burning of fuels mixes with the fog and forms smog. 

Smoke + Fog = Smog 

a) Smog reduces visibility 

b) Smog creates respiratory diseases like asthma etc.



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