The age of the ocean floor is greatest in subduction zones or

a) closest to deep-ocean trenches

b) farthest from the mid-ocean ridges

c) closest to the central valley of the mid-ocean ridge

d) farthest from deep-ocean trenches

passive transport is a movement of biochemicals and other atomic or molecular substances across cell membranes without need of energy input. unlike active transport, it does not require an input of cellular energy because it is instead driven by the tendency of the system to grow in entropy.

so, according to what that says, i believe it's hypertonic and hypotonic.

good luck!