Question

explain the differences between pure air and polluted air

Answer 1

pure air contains no additional residue in it and polluted air has smoke soot etched in it

Answer 2

Pure air refers to harmless air which does not have bad impact on living organismms .
But polluted air refers to the contamination of toxic and unneccary harmful things with air..This is very harmful for living organismms.
It is bad for living a happy and healthy life ..