Sewage sludge, the solid that remains after aerobic decomposition, makes a useful fertilizer because _______.
A) it contains significant energy in the form of methane
B) it is rich in carbon and nitrogen
C) it has been treated to remove microbes and will not be a source of pathogens
D) it is rich in nitrogen, phosphorus, and potassium
Correct Answer:
Verified
Q8: Primary sewage treatment includes _.
A) sludge digesting
B)
Q9: Which chemical is used in both water
Q10: Place the steps of the water puri?cation
Q11: The difference between water purification and sewage
Q12: Potable water must be _.
A) absolutely clear
B)
Q14: Sewage treatment processes result in the production
Q15: The study of the practical use of
Q16: Biotechnology includes all of the following except
Q17: Which of the following statements regarding coliform
Q18: The most prominent water-borne pathogens of recent
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