D and B are the answers to this question.
Answer:
Natural selection
Explanation:
Natural selection is a process by which organisms with characteristics suited to the environment will survive and reproduce. Natural selection favors the survival and reproduction of individuals having phenotypic characteristics suitable for survival in a particular environment.
Let your bestfriend go after your older brother while you get ur guy.
Answer:
at the moment no, machines do not prove to be threat, they are helpful. In the future, things might change, but as of now, no