Ответ:The main air polluters:

are cars, buses, and planes which emit  toxic fumes,

smoke and gases into the air mix up in the atmosphere making acid,  it and later land on grass, trees, and buildings in the form of rain, fog, or sleet.

. We should reduce air pollution that causes acid rains.

Объяснение:

Ответ:

The main air polluters are cars,buses and planes which emit smoke and gases into the air. Toxic fumes mix up in the atmosphere making it

and later land on grass, trees, and buildings in the form of rain, fog, or  sleet

. We should  reduce  

air pollution that causes acid rains.  

Объяснение:

acid лишнее? Было бы отлично расставить точки на месте пропуска