Aromatherapy
Im not certain but im pretty sure
Answer:
I believe its C. I'm not 100 percent sure.
Bone, which is made of collagen, which is strenghtened by calcium phosphate
Answer:
PSYCHOANALYTIC
Explanation: The id, ego and super-ego are developed in the early years of the child brain development. The same apply to the sexual development. all these are covered up in the Sigmund's Psychoanalytic theory.