Electric and mechanical energy
Answer: All of the above
Explanation:
I honestly have no idea what this means
Answer: directional selection
Explanation: Directional selection occurs when one end of the bell curve has a better fit than the other end. The end that has preferable traits in relation to the environment won't always be the same. The environment can change, and then the opposite end of the bell curve might become preferable.
Answer:
A. is correct. Ra - rv - L - la - lv - b
Explanation:
