The Green River Formation is famous because it: is the largest fossil deposit in the world
contains the oldest known bat fossil
has the most recently discovered fossil deposit
is the best known location for carbonized fossils

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.

is it multiple choice?