The answer is A. melting. The change from gas to liquid to solid will release energy and the change from solid to liquid to gas will absorb energy. So the other three are releasing energy.
Explanation:
Large amounts of heat are needed to evaporate water, because H-bonds need to be broken. Sweating is an example of using water as d coolant. As the sweat evaporates it pulls heat away from the body. Application 'Water's thermal properties, its high specific heat, means that it can cool us.
Primary succession occurs in essentially lifeless areas while secondary succession happens where there were previous communities
It is true that protozoans that are parasites have more than one host
C. Fenestrated capillaries have intracellular perforations.
