Some organizations offer hygienic onsite human waste disposal technology. The toilets based on the use of human waste for producing biogas are being encouraged. These toilets do not need scavenging. The excreta from the toilet flows through covered drains into a biogas plant. The biogas so produced is used as a fuel.
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Answer:
it a natural gas
Explanation:
it is also a non polluting gas ...
hope this will be helpful
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Answer:
Some organizations offer hygienic onsite human waste disposal technology. The toilets based on the use of human waste for producing biogas are being encouraged. These toilets do not need scavenging. The excreta from the toilet flows through covered drains into a biogas plant. The biogas so produced is used as a fuel.