Most stars end their lives as which type of star?
a. giant
b. white dwarf
c. neutron
d. main sequence

the answer for this question would be d. glaciers

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.