Much of antarctica has a(n) climate

According ti the following map, what are the most common mineral resources found in the united states?

In order from largest to smallest what are earths five main oceans

The caste system in india was used for what purpose? a) to ensure that all people had an adequate income b) to prevent the rich from taking too much power c) to provide social control and conformity according to one’s birth d) to draft a military capable of defending india from mongol invasion