I really need help on this. If you help I will give brainliest.
And free points next.
Plz.
As the concentration of molecules outside of a cell increases, more molecules will enter the cell because —

A) the molecules are moving down their concentration gradient

B) the molecules are moving from an area of low concentration to an area of high concentration

C) energy is available to move them using active transport

D) they have reached dynamic equilibrium

I HAVE NO CLUE Plz help.

Match the following terms describing electrical events with the correct phases of the cardiac cycle. the ventricular muscle cells depolarize at the start of this phase. during this phase, na+ entry through the funny channels causes the pacemaker potential of sa nodal cells to gradually become less negative until it reaches threshold. the ventricular muscle cells repolarize right before this phase. the cytosolic concentration of calcium in the contractile cells of the ventricle is highest during this phase. a. isovolumetric relaxation b. ventricular ejection c. isovolumetric contraction d. ventricular filling

Based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?

There is a liquid capsule inside a cup full of liquid. the cup full of liquid has salt in it and the liquid capsule has no salt in it. in which direction will the solvent flow? a. the salt does not have to move b. from the capsule to the larger cup c. equally between the capsule and the cup d. from the larger cup to the capsule