The final treatment of sewage before release into the environment is ______.
A) aeration
B) filtration
C) skimming
D) sludge digesting
E) chlorination
Correct Answer:
Verified
Q5: Sewage treatment processes result in the production
Q6: Indicator bacteria for contaminated water are _.
A)coliforms
B)
Q7: Sewage sludge, the solid that remains after
Q8: The first step in sewage treatment is
Q9: Which of the following statements regarding waterborne
Q11: Biotechnology includes all of the following except
A)using
Q12: Which chemical is used in both water
Q13: Place the steps of the water purification
Q14: The difference between water purification and sewage
Q15: The mass, controlled culture of microbes to
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