Is the following sentence true or false? geologists concluded that the outer was liquid because p waves could not travel through it?

This is false :) hope i helped!

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.