17(iii) How do you think poisonous gases are formed inside
the septic tanks?
a)Anaerobic respiration/decomposition of wastes in the
sewage
b) Aerobic decomposition
c)Photosynthesis
d) None of these
Answers
Answered by
2
Answer:
anaerobic decomposition is the correct answer
i hope you this answer will help you
Answered by
0
Answer:
aerobic decomposition
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