Explain why there is no higher latitude other than 90 degrees north and south

Which phrase describes the time it takes for a planet to make a complete rotation

What are some natural resources found in midwest

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