Identify which forces from a canyon of earth and space

Rain, wind, and other types of weathering form canyons over time.

Canyons often once had water or lava flowing through them the can also be formed from space debris like rocks and meteorites.

Reproduction i think

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.