The answer is C. Polar covalent
They need it to grow healthy
Naturalists represent the idea that only natural laws (physical laws) are the rules that govern the structure and behavior of the natural universe. This means that everything can be explained in terms of natural causes. Naturalism is the belief that all that exists material matter, that there is no such thing as soul and that individuals have no purpose in life.
What do you mean but if you mean what I think you mean then you take half of the tadpoles