Answer:
Proteins
Explanation:
Minerals are not organic compounds, and carbs and lipids do not repair/grow cells (lipids are primarily used to store energy and insulate/protect the body and carbs provide a short boost of energy).
Answer:
B. Release body heat
Explanation:
Jackrabbits live in deserts, and therefore must release excess body heat through the surface area of their ears to avoid quickly overheating and dying.
I believe that the answer to this question is, that laws can be made to prevent certain things/ amounts of things to be used up.