Darwin theory of evolution is based on the idea(s) of

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

What is the correct term for an area of rotating currents in an ocean? when ocean currents combine, they create an area of rotating currents called an

2. which is the last step in the scientific method?