In general, surface water always flows a. from south to north. b. from north to south. c. downhill. d. toward the equator.

chordata is the answer

your a sped   no one cares

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!