Question

what do you mean by acidrain​

Answer 1

Answer:

rain that has harmful chemicals in it from factories, etc. that causes damage to trees, crops, buildings and rivers

Answer 2

Answer:

rainfall 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.