Stimulates the maturation of the mammary glands so that they can produce milk

For the answer to the question above, alveolar; prolactin is the responsible for stimulation and maturation of the mammary glands so that they can produce milk. During pregnancy secretion increases and stimulates the growth of the breast, but high estrogen and progesterone secretion prevent milk production.

Ibelieve is d but i’m not 100% sure

Alright, i'm gonna try to explain this as good as possible. the law of conservation is like a collection overtime. it never changes though. no matter how you change the constituent parts.