According to the passage, we know the Maya were good agriculturalists because there
is evidence that
A
they studied planets and stars.
B
they built over 3,000 buildings.
с
they practiced intercropping.
D
they build huge cities.

How has the immigration of the 1990s affected the social and economic life of the united states?

What would you call a political system that is only meant to last for a short time

Martin, a 32-year-old human relations administrator at a university, believes that all professors over age 50 are incapable of learning the new educational technologies and are content to keep presenting their same "tired, boring" lectures. he often expresses these views to other administrators and does not encourage any of the "older" faculty members to attend professional development meetings related to new teaching approaches nor does he suggest that the university send them to any of the technology conferences. martin is exhibiting