The main process to purify water by filtration, is (A) Mechanical straining (B) Flocculation and sedimentation (C) Biological metabolism (D) All the above

The main process to purify water by filtration, is
(A) Mechanical straining
(B) Flocculation and sedimentation
(C) Biological metabolism
(D) All the above
by

1 Answer

Answer :

(D) All the above
by

Related questions

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The element used to purify the water in swimming pool?

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