Will give a brainlest quinoa is a historical food of the incas type of cover crop type of wheat historical plant native to asia

Look at the picture below . what does this picture represent ?

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

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?