What microscope scans the surface of a sample by releasing electrons and making the electrons bounce or scatter upon
impact?
A) TEM B) SEM C) AEM D) LEM

d. organisms have cells with different shapes and functions.

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.