Question

1.The sewage treatment in septic tanks is due to
(A) oxidation
(B) parasitic decomposition
(C) aerobic decomposition (P) anaerobic decomposition​

Answer 1

Answer:

d.) anaerobic respiration

Explanation:

Anaerobic septic systems involve the use of bacteria that don't require oxygen to live. In an anaerobic system, you've got a septic tank with two main pipes. ... Inside the septic tank, solid waste settles and is eaten by the anaerobic bacteria. Liquid waste floats to the top.