Answer:
It is considered to be a scientific theory because,
Explanation:
there are many other believes or as you would call it religions that give a good explanation on how humans were created.
To be honest I don't believe the evolution because what if there was another way we were created, and not really turned into cavemen that came from monkey's or whatever.
It is honestly up to YOU on what you believe or feel about were we came from!
B is the answer?!? Sorry if im wront
They help convert nitrogen to nitrate which is usable by living beings. (Living beings can't use regular nitrogen)
It is a. all genetic material comes from one parent
the term used to describe how well an organism functions in its environment is variation