Every nation has something to develop for the world's benefit. True False

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

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur

Give three examples of plant activities that are affected by circadian rhythms and natural fluctuations in the length of daylight?