Both.
acid rain is caused by air pollution
Acid rain is caused by pollution mixed with oxygen and sunlight.
Acid Rain
It makes acid rain.
acid rain is caused by air pollution
Acid rain is caused by pollution, this is when chemicals such as sulphur dioxide go into the atmosphere and are presipitated (Rained) back into the atmosphere as acid rain
air pollution and acid rain
Acid rain is natural and man made. As it is natural because its just like any normal rain but with the acid so it does have natural substances in but its also man made because all the chemicals in the air known as pollution are mostly caused by the workings of humans.
acid rain is caused by air pollution
It makes acid rain.
air pollution and acid rain
acid precipitation or "acid rain" is caused by coal fired power plants disgorging pollution into the air. the particles of pollution adhere to the moisture in the air and fall attached to the rain drops.