Using the Internet, research the types of pests, either diseases or insects, that are problems for forests in the pacific north west. Describe the pests and how they are managed.

. ph changes the ability of them he enzyme to dissolve in water.

your answer is going to be physical weathering

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.