Why are leaves green?
because they contain chlorophyll, which reflects wavelengths of light in the red range
because they contain chlorophyll, which absorbs wavelengths of light in the green range
because they contain chlorophyll, which reflects wavelengths of light in the green range

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.

i think it is d. objects resist changes in their state of motion.