Question

what is the meaning of acid rain

Answer 1

Its a type of rainfall which is made so acidic by atmospheric pollution that it causes environmental harm, chiefly to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which contain sulphur and nitrogen oxides which combine with atmospheric water to form acids.

Answer 2

Rainfall which is so acidic due to atmospheric pollution that it causes Enviromental harm, mainly to forests and lakes