Answer:
You will have to find many different methods in which the resource is most useful. Some resources may be useful in one place and some may be useful in another its all about how you use the resource.
Explanation:
Kidneys, Bone Marrow, and it Produces red blood cells.
No, because if their already formed, how would they get bigger
Air, water, weather, temperature and other organisms.
I think mutation so D. If not then A
