The human excreta can be used for the production of ________________.

Vermi cakes for fertilizer

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Vermi cakes as manure

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Vermi cakes as animal food

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Both A and B

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Solution

The correct option is C Both A and B
Excreta of the humans can be used for making vermicompost using earthworms. Vermi cakes are formed after composting of human excreta. It contains substances like phosphorous, potassium and nitrogen which are major components of fertilizers. Vermi cakes are also used as manure which is an organic matte. It is used as organic fertilizer.
Thus, the correct answer is option D.

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