Movement of molecules through a membrane by filtration depends upon the presence of
a. hydrostatic pressure
b. atmospheric pressure
c. osmotic pressure its not this one because i chose this one and got it wrong
d. none of the choices are correct

4.explain how these geological processes and interactions have changed earth's surface through the years. be sure to use evidence to support your answer • earthquakes • faults • ocean formation • mountains • volcanoes • island chains • seafloor spreading