I think it is carbohydrate metabolism
<span>Personal protective equipment is only helpful if regulations for using it are followed carefully. If it is not worn and used properly, then it will not function properly and it might not provide the protection that is needed in the situation. For example, a helmet is only effective if it is fitted properly and snugly on the head. Otherwise it could fall off in an accident and be rendered useless.</span>
B. law of conservation of mass
This is why the total amount of and element before and after a chemical reaction is constant.
Answer:
herbivore: koala, etc
Carnivore: tigers, lions, hyenas
Explanation: