Question

a mountain can affect rainfall by

Answer 1

Answer:

Mountains can have a significant effect on rainfall. When air reaches the mountains, it is forced to rise over this barrier. As the air moves up the windward side of a mountain, it cools, and the volume decreases. As a result, humidity increases and orographic clouds and precipitation can develop.

Hope it helps!

Answer 2

Answer:

Mountains acts as a barrier to the clouds, as the clouds tries to move up over the mountains they cool down and start to precipitate. This is how mountains effect the rainfall.

Hope it helps