Enzymes are the most used chemicals in digestion.
a) True
b) False

Wht happens as electrons in the electron transport chain release their energy

Robert wants to know which fertilizer will work the best for his grass. what can he do to explore this inquiry?

Rachel ate a piece of fruit and happened to drop the seeds in her backyard. after a few weeks, she saw a small plant with flowers growing in the backyard. which group does this plant belong to? a. angiosperms b. gymnosperms c. pteridophytes d. bryophytes e. chytrids