The bounties of nature are being exploited by man.

Answer: Option A

Gifts : a thing given willingly to someone without payment; a present.
Products : an article or substance that is manufactured or refined for sale.
Rules : one of a set of explicit or understood regulations or principles governing conduct or procedure within a particular area of activity.
Ecological : relating to or concerned with the relation of living organisms to one another and to their physical surroundings.
Bounties : a sum paid for killing or capturing a person or animal.

Synonym of Bounties is Gifts