When does the summer solstice occur in the Northern Hemisphere? September 21
December 21
March 21
June 21

What is found within a ranger tower overlooking a drained lake

Where the main factor that enabled the growth of cities and civilizations was the existence of

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