AP Environmental Science Quiz
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ENERGY RESOURCES AND CONSUMPTION
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A dairy uses anaerobic digestion of manure; which environmental benefit is most directly expected?
A
Capturing methane for biogas reduces CH
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emissions that would otherwise escape during decomposition, while also producing a combustible fuel for heat or electricity.
B
Anaerobic digestion converts methane into ozone in the digester, lowering smog formation in nearby cities by chemically destroying all VOCs and NO
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_x
x
.
C
The process eliminates nutrient pollution by converting all nitrogen and phosphorus into inert gases, preventing any runoff or leaching from stored wastes.
D
Digesters create petroleum from manure through geologic pressure, replacing crude oil extraction and eliminating the need for refining and transportation fuels.
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