Answer:
C.Both a and b are correct
Explanation:
i think that if it had a both are correct then i think it is that
Phenotype which means the visible characteristic or trait of an individual
the answer is letter B, 3 kingdoms.
The control group would be plant d because nothing is being done to it. While all the other plants listen to music, it is the only one that doesn’t which shows the difference between a normal and altered result