Multiple Choice
How do composting toilet systems help improve sewage treatment?
A) Sewage flows into a passive solar greenhouse.
B) Waste is converted to a soil-like humus that can be used as a fertilizer.
C) Water passes through an artificial marsh made of sand and gravel filtering out organic waste.
D) Household sewage and wastewater is pumped into a settling tank.
E) Aerobic bacteria remove as much as dissolved and biodegradable, oxygen-demanding organic wastes.
Correct Answer:
Verified
Correct Answer:
Verified
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