Match each field of study to the correct piece of evidence?

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

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

idk why hjggjhjkhj