As an ecological body, wetland (rainy land) is useful for which of the – McqOptions

MCQOPTIONS

1.	As an ecological body, wetland (rainy land) is useful for which of the following -
A.	for nutrient recovery and cycling
B.	To release heavy metals through absorption by plants
C.	To reduce siltation of rivers by holding sediments
D.	all of the above
Answer» E.

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