The skeletal system of animals provide structure and support. which cell part provides a similar function in a plant a) golgi apparatus b) cell membrane c) large central vacuole d)pili need my answer fast

Which kind of aquatic ecosystem does the photograph most likely show? a. marsh b. swamp c. lake d. river

Which system revise and send electrical signals throughout the body

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