The answer is opinion because, some people might have thought Mckinley was not the smartest president on earth
Answer and Explanation:
He defines a superspecies as something that has the ability to alter the systems related to life itself, with the human being being the greatest example of superspecies that we can know. The impact of human beings on the global environment is stimulated by reasoning and the ability to use the environment not only to supply its own needs, but to obtain advantages through it.
I believe the answer to this is A
