Where did the sentiment needed to build the depositional features shown come from?

the supermassive black hole is in the middle of the galaxy.

the correct answer in apex is tissue development, i know because i just had this question

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.