C is your answer so pick c
Answer:
Diarrhea should go away in a few days without treatment. until you feel better, rest, drink enough fluids, and watch what you eat.
The answer would be the second option. The best reason for doing more background research after making an observation and before forming a hypothesis is to prevent making the same mistakes made in a prior experiment. It is to make sure that you are able to see the problems of a research and make an experimental design that will minimize the errors.
They became adapted to their new environment and became new species which then were not able to produce fertile offspring.
