A cell containing substance A is placed in a solution containing a lower concentration of
substance A. Substance A can diffuse across the
cell membrane. What will happen in this scenario?
Substance A will absorb the solution.
Substance A will remain unchanged.
Substance A will move into the cell.
Substance A will move out of the cell.

The energy available as a result of the motion of a body is called energy. -potential -gravitational -kinetic -chemical

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 new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity