Can you plzzz help me?!! and hurry plz? it's biology

thank you!!!

The energy needs of a human population are not affected by

Consider this plant cell which organelle is labeled g

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