Which of the following terms means "a trait that is different from any traits of
common ancestors"?
o
a. derived trait
b. adaptive trait
cu detrimental trait
o
d. ancestral trait

layer 3 is younger than layer 6.

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.

dont know just give me brainliest