define vermicomposting and biogas
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The use of earthworms to convert organic waste into fertilizer is vermicomposting and biogas is a gaseous fuel especially methane which is produced by the fermentation of organic matter
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Vermicompost (vermi-compost) is the product of the decomposition process using various species of worms, usually red wigglers, white worms, and other earthworms, to create a mixture of decomposing vegetable or food waste, bedding materials, and vermicast. ... Vermicomposting can also be applied for treatment of sewage.
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