Sludge
A) is a byproduct of sewage treatment.
B) may be a source of pollution.
C) takes up space in a landfill.
D) All of the choices are correct.
E) None of the choices is correct.
Correct Answer:
Verified
Q2: In sewage treatment, the removal of phosphates
Q3: The problem(s) with using sludge as a
Q4: The approximate BOD value for raw sewage
Q5: Which of the following is used to
Q6: An effective means used early in the
Q8: The anaerobic organisms used in sewage treatment
Q9: The activated sludge process
A) is used during
Q10: The accepted method of testing water supplies
Q11: Wastewater treatment decreases the amount of
A) biodegradable
Q12: Effective treatment of wastewater/sewage is reflected in
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