The water cycle has no effect on ocean salinity or density. Please select the best answer from the choices provided

O T
O F

the solute can move "downhill," from regions of higher to lower concentration, relying on the specificity of the protein carrier to pass through the membrane. this process is called passive transport or facilitated diffusion, and does not require energy.

the correct answer is 2 and 4

ok yes, but what is the question? as soon as you ask the actual question i will answer it. : )