Which statement best describes the agriculture of the maya's? a: each year, they rotated the kinds of crops planted b: when an area of soul wore our, they cleared and planted a new area c: they grazed cattle in their cornfields to thin the crops d: they left trees in the field to share the growing corn

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.