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Composting is the action of breaking down vegetable waste into useable soil, so you get soil from composting, you don't use soil for composting.
Because worm composting is healthier to the environment and healthier to the earth. :)
Composting is the thing of recycling of organic waste. This is the sentence containing composting word.
clay is not good for composting
No. Composting is good for all plants.