How do enzymes affect reactions?
o
a. enzymes are used up in reactions.
o
b. enzymes cause reactions that normally release energy to absorb
energy
o
c. enzymes prevent reactions from occurring.
o
d. enzymes lower the activation energy required for reactions to
occur.

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.

D. pray lands grasslands swamps