Active transport uses up energy while passive transport does not.
I I think that it is liquid
The answer would be D, because that is the only logical one, and selling 15 cups is not a hypothesis, it is a fact.
D is the one hypothesizing that he will make a profit.
Hope this helps and have a nice day:)
The cells which are involved in dissolving bone tissues are osteoclasts. Osteoclasts are bone dissolving cells found on bone surfaces. They are formed from the fussion of hemocytoblasts; they are multi nucleated and large. Osteoclasts typically move over the surface of the bone matrix and secrete acids and enzymes that disintegrate it, forming little pits on the surface of the bones.