In a food chain or a food web. the arrows always point

The arrows always show the direction of the energy as it is transferred from one organism to another.

the wetland preservation movement began in the u.s. in earnest with the clean water act (cwa) of 1972. although not specifically written to protect wetlands, the cwa is comprised of a series of regulations designed to prevent pollutants from contaminating u.s. waters.

z is the answer.

(sorry caplock) lol

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