Pheretima posthuma is highly useful asA. their buffows make the soil l – InterviewSolution

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1.	Pheretima posthuma is highly useful asA. their buffows make the soil looseB. they make the soil porous, leave their castings and take organic debris in the soilC. they are used as fish mealD. they kill the birds due to biomagnification of chlorinated hydrocarbons
Answer» Correct Answer - B Pheretime posthuma is useful for farmers as they enrich the soil by their excretory wastes and make the soil porous.

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