The use of water closet and septic tanks is preferred to the use of bucket...
BIOLOGY
WAEC 2012
The use of water closet and septic tanks is preferred to the use of bucket and pit latrines because
- A. it is cost effective
- B. contaminated faeces are completely kept away from flies
- C. the water for flushing contains chlorine which kills the germs
- D. It prevents flies from breeding
Correct Answer: B. contaminated faeces are completely kept away from flies
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