a crystal has a regularly repeating arrangement of atoms
Cohesion is water sticking to water. adhesion is water sticking to another thing, think of it as you're adding something to the water molecules. add-hesion
The capability of both leptin and cholecystokinin in which they
have a similarity when a person has decreased its food intake. A leptin is a
way of helping an individual to regulate energy in means of having to inhibit
its hunger while the cholecystokinin is responsible for having to stimulate
digestions.
