Answer:
Energy Flow in Ecosystems. Ecosystems maintain themselves by cycling energy and nutrients obtained from external sources. ... The low rate of energy transfer between trophic levels makes decomposers generally more important than producers in terms of energy flow.
Explanation:
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.
Answer:
D. Thyroid cancer and other cancers
Explanation:
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