If a positive factor for farming the land is growing food for a growing population, a negative could be air pollution deforestation mining accidents unemployment

The correct answer is option B (deforestation).

Even though farming the land is positive as regards growing food for a growing population, it also has a negative aspect since it implies deforestation  (trees and other vegetation is removed).

Once trees are removed, the immediate effect is FLOODING because the roots of plants are in charge of absorbing water.

just finished this it is b. centrifugal force

answer: ensure protection from communism

explanation:

the north atlantic treaty was largely dormant until the korean war initiated the establishment of nato to implement it, by means of an integrated military structure: this included the formation of supreme headquarters allied powers europe in 1951, which adopted the western union's military structures and plans.