Humans are part of the environment — not separate from it — so anything that benefits human welfare is by definition an environmental improvement!
Answer: A portion of runoff enters rivers in valleys in the landscape, with streamflow moving water to the ocean.
Metabolism (pronounced: meh-TAB-uh-liz-um) is the chemical reactions in the body's cells that change food into energy. Our bodies need this energy to do everything from moving to thinking to growing. Specific proteins in the body control the chemical reactions of metabolism.
My best guess is lead it could be asbestos