Which of the following is a valid reason why a scientist might reject a scientific theory 1. some people disagree with it. 2. it’s covers to broad a topic .3. new advance contradicts it it’s too old.

3

Explanation:

My guess is there has to be evidence it is wrong

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.