Evolution and variety are the outcome of long-term interactions between organisms and their surroundings, as well as the repercussions of those interactions. Species adapt to their habitats through time, and the range of environments available encourages a diversity of organisms that have adapted to them.
C. an understood you, because usually you is the subject in the sentence, but it is understood without it.
You should include opinions that contradict your own, and attempt to say why those opinions are invalid based on your own argument.
It is the first one because it just gives better details
It's between A and B but I find that B is the most logical answer
