The correct answer is Chemical. Because two substances are reacting and creating a new substance.
Answer:
a complex series of feeding relationships with many organisms interacting and depending on each other
Explanation:
So, if the birthrate and the death rate are the same, that means that for every person that gets born, one person dies: so the number of people would stay constant. This means that the growth rate is actually 0%.
Answer:
Mutations happen in our cells all the time. It's actually how all humans grow and change. The vast majority of mutations are harmless. Thus, they aren't avoidable.
