Acid rain: rainfall made sufficiently acidic by atmospheric pollution that it causes environmental harm, typically to forests and lakes. The main cause is the industrial burning of coal and other fossil fuels, the waste gases from which con
Part of speech: noun: Today i learn what is a acid rain.
Air pollution: the presence in or introduction into the air of a substance which has harmful or poisonous effects.
Part of speech: noun: in my city there is many air pollution.
Climate change: a change in global or regional climate patterns, in particular a change apparent from the mid to late 20th century onwards and attributed largely to the increased levels of atmospheric carbon dioxide produced by the use of f
Part of speech: noun: There is many climate changes.