Osmosis and diffusion are different because: a. only diffusion occurs across a cell membrane. b. diffusion may lead to lysis or crenation. c. diffusion is active transport, whereas osmosis is passive transport. d. osmosis only occurs across a semi-permeable membrane.

I think osmosis is a type of diffusion which only occurs across a semi permeable membrane.

the statement is true

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.