Active transport is the homeostatic process that moves particles against a concentration gradient.
In addition to gravity, muscular peristaltic waves, originating in the renal pelvis, squeeze urine down the ureters and squirt it into the bladder, the peristaltic movements consist of radially symmetrical contractions and in the relaxation of the muscles that propagate in a wave downwards in the muscular tube, in an antegrade manner, such movements are also found in the esophagus and stomach.
Answer: the conditions at a hydrothermal vent makes it impossible to plants to to grow the need the sun.
Explanation:
The answer is D because the electrolytic cell needs energy to run because the reaction between half-cells are not spontaneous.