B press a clean towel or cloth firmly against the cut. you don't want the bleeding to continue and don't want to make the cut worse by putting any liquid in a lab, like acid that could easily be mistaken as water.
Answer:
Evolution is change in the heritable characteristics of biological populations over successive generations.
Explanation:
An example of evolution is the theory started by Charles Darwin that theorizes about how humans came to be in their present form.
I believe the answer is B.