65 million years ago there was a mass extinction that is best known for killing the dinosaurs. There was also a large deposit of dust that contained substances only found in asteroids. What most likely killed off the dinosaurs?

1) the mayans built pyramids just like the egyptians. the mayans also used hieroglyphics like them.2) power was passed down by family. for example, if the father dies, the son would be the next king.3)they both built pyramids for their structures.4)the main crop for the mayans was maize.5)they also grew manioc, beans,  squash,  amaranth, and chile peppers.

Because people are wasting it