What is the name of the continental plate that is involved with the andes mountains?

The earth's internal process which drives seafloor spreading is

Me plzzz what is the ratio of water than falls on land as compared to the amount that falls onto the oceans? what role do clouds play in regulating earth’s energy balance? me plzzz

Alow pressure system is formed when an air mass cools over a cool surface and sinks. true or false