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.
cholecystokinin is the answer, good luck!
Mass × Acceleration
60 kg × 5m/^s =
300
The answer is C. 300 N
Im not entirely sure because cells can be different, a nucleus will probably work in this case and also a cell wall
