Which was most likely an effect on society that resulted from improvements in blood handling during World War I and World War
II?

More soldiers died as a result of incorrect blood typing.

More soldiers who had lost a limb returned home.

Explanation:

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.