Transpiration is B. The absorption of water through the roots

A. Simple diffusion

C. The evaporation of water out of the stomata of plants

D. The evaportation of water out of the roots

i thinking chemical change

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.

it is a limiting nutrient limited by a single nutrient in the ecosystem, & the single goes very slow.