How do mountains affect the amount of precipitation that falls over an area?

Mountains cause heavy precipitation on the windward side of the mountain.

Explanation:

The windward side is often cooler. And the leeward side has warm air. I got right on this one for Gradpoint. Hope this helps. :)

the first plants to make the transition

explanation:

b.

developed countries have tended to improve the environment, while developing countries have tended to damage it.