Answer:
A is the image that represents the Mid Ocean ridge
It continues to multiply untill the max. later it eats itself to make more space for it to multiply
<span> It is a hydraulic </span>system<span> used by echinoderms, such as sea stars and sea urchins, for locomotion, food and waste transportation, and respiration. The </span>system<span> is composed of canals connecting numerous tube feet.</span>