Give the name and location of any physical feature that also serves as a political border between two states, countries, towns, or cities.

Explain: plate tectonics and people.

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

Name two factors that, "power of magnetic field " of earth.