How do your eyes adjust to darkness? Why does this happen?

Which of the following is not a main characteristic that scientists focus on when determining which kingdom an organism belongs to

Which of the following is not a food produced in rainforests? a) coffee b) cocoa c) avocados d) wheat

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