Answer:
Lack of sleep increases hunger hormone ghrelin and decreases the satiety hormone leptin which may help explain the association between inadequate sleep and overweight.
Explanation:
The 2 one
The big energy change when water freezes is in the potential energy of interactions between the water molecules.
I am not to sure if this is correct, but I hope it helps in some way.
B.
The way it breaks
a-p-e-x