Earthworms areA. usefulB. harmfulC. more useful than harmfulD. more ha – InterviewSolution

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1.	Earthworms areA. usefulB. harmfulC. more useful than harmfulD. more harmful
Answer» Correct Answer - A Earthworms are friends of farmers because they enrich the soil by nephridial excretion, it increases the fertility of soil. They also help in ploughing of fields, make the soil porous. Earthworms are also used for dissection in laboratories.

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