The objective of biological nutrient removal is to
A) reduce cultural eutrophication.
B) increase the BOD of the wastewater discharge into freshwater systems.
C) eliminate living bacteria in the wastewater discharge.
D) reduce the amount of grit and debris in wastewater.
A
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The cost of natural disasters averaged over the previous ten years has ____ due in part to ____
a. ?increased; increased population and economic growth b. ?decreased; improved forecasting and public awareness c. ?remained constant; equilibrium between population growth and mitigation d. ?increased; population growth only e. ?decreased; increased migration out of hazardous areas
The reason we see so much mud and sand along the shore of the land is that clay minerals and quartz are ________ at Earth's surface
A) stable B) unstable C) abundant D) exposed
Innovation-friendly regulation ____.
A. creates a paperwork nightmare B. motivates companies to develop green products C. decreases company profits D. eliminates jobs E. decreases international market competitiveness
What is a suture?
A) A landmass accreted to a continent through subduction B) The zone where two continents are welded together C) The region of a mid-ocean ridge where it is bisected by a transform boundary D) A fold-and-thrust belt created through convergence