In a septic tank system, which of the following is not true?

In a septic tank system, which of the following is not true?





a. Wastewater is pumped into a settling tank.
b. Grease and oil rise to the top in the tank.
c. Solids are decomposed by bacteria.
d. Bacteria-treated waste is discharged in an absorption field.
e. After leaving the absorption field, wastewater is cleaned and can be used again for human consumption.


Answer: E


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