What can you say about these
forces?
a. the drag and weight forces are
balanced with the thrust force.
b. the drag and weight forces are
unbalanced with the thrust force.
c. the drag and weight forces are the
same as the thrust force.

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.