Who has to approve the president's appointments?

Under the Appointments Clause of the United States Constitution and law of the United States, certain federal positions appointed by the president of the United States require confirmation (advice and consent) of the United States Senate.

Advice and consent from the United States Senate.

Explanation:

well, that's easy; the answer's c, "it reduces contamination of the water and substrate of the estuary."

it would be heredity