Jeanine is developing a model of global systems. She begins by creating the table shown.
Hydrosphere
Atmosphere
Biosphere
Geosphere
Why would adding arrows to connect the four systems be useful for developing the model?

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.