Question

State three ways by which (a) air gets polluted (b) water gets polluted (c) soils get polluted

Answer 1

by factories air, water and soil polluted and by washing clothes in rivers water is polluted and by polythene air water and soil is polluted and air is also polluted by smoke

Answer 2

air and water get polluted by the smoke of automobiles and industries ,factories
and soil also by deforestation , polythene and other things
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