Question

Acid rain is caused by _____ .

• A. industries
• B. power plants
• C. automobiles
• D. all of above

Answer 1

Answer: (D)

all of above

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.
These gases are released by automobiles, industries, power plants etc.