Are gender traits completely a result of societal expectations?

answer; ///i believe the correct answer is (aids) acquired immune deficiency syndrome;

a- all cells come from pre-existing cells

. ph changes the ability of them he enzyme to dissolve in water.

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.