Which is a source of land pollution heavy traffic

t's Fertilizer running off from a large agricultural farm

Explanation:

heavy traffic producing large amounts of exhaust mold growing on an indoor windowsill people smoking tobacco outside a building fertilizer running off from a large agricultural farm

it's false.

"every person has their limitations which prevent us from accomplishing something. some are better than mathematics for example and some are worse. those people who are worse might never be able to become mathematicians, but that does not mean that they would not be great at doing something else."