Q.

The term “septic” refers to                          

A. anaerobic bacterial environment that develops in the tank
B. refers to safety and precaution
C. drainage of waste materials
D. aerobic bacterial environment that develops in the tank
Answer» A. anaerobic bacterial environment that develops in the tank
Explanation: the term “septic” refers to the anaerobic bacterial environment that develops in the tank which decomposes or mineralizes the waste discharged into the tank. septic tanks can be coupled with other onsite wastewater treatment units such as biofilters or aerobic systems involving artificially forced aeration.
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