Which one of the following treatments is economically effective in the control of guinea worm disease ?

Which one of the following treatments is economically effective in the

1.	Which one of the following treatments is economically effective in the control of guinea worm disease ?
A.	Chlorination
B.	Filtration
C.	Ozonation
D.	Sedimentation
Answer» C. Ozonation

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Which one of the following treatments is economically effective in the control of guinea worm disease ?

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