13. I buy a home for $700,000. I buy beautiful chandeliers that are bolted into the ceiling and can't be removed from the ceiling without causing great damage. I also
<p>Just downstream of a sewage discharge outfall, the ultimate BODof a river is 55.0 mg/L, and the DO is at 78% saturation value(water temperature is 15oC). The deoxygenation ratecoefficient is