The primary Mayan food was what?
What is corn, or maize.
What was one of the most difficult challenges Mayans faced with regards to agriculture?
What is growing enough food to feed their growing population.
How did Mayans farm in the mountainous highlands?
What is terrace farming (or "earth steps").
How did the Mayans farm in the densely forested lowlands? How does it work? What was the unfortunate outcome of this type of farming?
What is slash-and-burn agriculture. Mayans would cut and burn plants/trees and then plant. Unfortunately, this kind of farming wears out the soil.
State one theory to why the Mayan empire collasped.
What is... a. populations grew faster than the farming systems could sustain. b. drought c. uncontrolled warfare. d. invaders