Nonrenewable resources are a) not finite and are not depleted over time b) not finite and are depleted over time c) finite and are not depleted over time d) finite and are depleted over time

Which best describes the digestive system of arthropods? a incomplete, two openings b complete, one opening c two-way, one opening d one-way, two openings

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

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