3. What effect does an enzyme have on a chemical reaction
within a cell?

Hummingbirds drink nectar from flowers, while robins eat plant seeds. what does this reduce?

Modern whales developed their traits through natural selection what occurs during the process of natural selection

Johnny rode his bike to a friend's house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was not able to play. what was his displacement for the total bike ride? how did you determine this? what could we use as a reference point to determine he was in motion during his bike ride? why can you use it as a reference point