Identifying Passive and Active Transport Fill in the blanks with the correct words.
The movement of molecules from an area of low concentration to an area of high concentration occurs in
transport
In
transport
, molecules move from an area of high concentration to an area of low concentration

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