Answer:
1a. Sewage is a liquid byproduct or waste that is carried through a system for treatment.
1b. Local wildlife and such would begin to die and dissipate and the rivers water, untreated would become unviable.
I am pretty sure the answer is B. hope this helps and if it is wrong pls tell me thanks! :)
Biomechanical mechanisms, habitat for plants and animals, participates in cycling of all materials used by living things.
Answer:
<em>RESERVOIR</em><em> </em><em>IS</em><em> </em><em>TECHNICAL</em><em> </em><em>NAME</em><em>.</em>