C. It requires active transport because the use of energy is necessary, the natural and opposite flow to this, would be from high to low concentration that requires little to no energy (i.e passive diffusion).
Answer:
Explanation:
Components of our Watershed
Wetlands. A wetland is an area of land that is saturated with water for all or part of the year. ...
Riparian Vegetation. The plants that grow along or near the riverbanks, lakes and wetlands are called riparian vegetation. ...
Uplands. ...
Groundwater.