Which of the following functions is not performed by earthworms in the – McqOptions

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1.	Which of the following functions is not performed by earthworms in the soil?
A.	Loosening the soil.
B.	Improving the soil quality.
C.	Irrigating the soil.
D.	Enriching the soil by nutrients.
E.	None of these
Answer» D. Enriching the soil by nutrients.

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