If you are standing in the northern hemisphere during the winter A you are experiencing longer days than nights.

B you are experiencing equal hours of day and night.

С

you are experiencing longer nights than days.

D

...you are not experiencing night at all.

A. you are experiencing longer days than nights.

Explanation:

the Northern Hemisphere is leaning most away from the sun for the year. ... After the winter solstice, the days get longer, and the nights shorter.

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.

idk im sorry.