Why were most sites in the southern maya lowlands abandoned by ad 700-900?

India's monsoons are seasonal. what does this reveal about the monsoons? a. the monsoons occur on a daily basis. b. the monsoons only occasionally take place. c. the monsoons occur in a regular pattern. d. the monsoons almost never take place..

What factors allowed philip ii of macedonia to conquer the greek city-states?

Robert morris proposed a 10 percent tax on imported goods to pay the national debt. true or false