Active transport refers to a substance moving from areas in which it has low concentration to an area with high concentration, one example i guess is endocytosis, "<span>the taking in of matter by a living cell by invagination of its membrane to form a vacuole"</span>
<span>It would increase the water extraction due to the counter current multiplier system.</span>
Marshes and ponds is the correct answer
My guess would be A. I’m not sure tho. Might want a second opinion
