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Arrange the following options in ascendi...

Arrange the following options in ascending order of their BOD value.
(i) Sample of highly polluted pond water.
(ii) Sample from unpolluted pond water.
(iii) Distilled water.
(A) `iii to i to ii`
(B) `ii to iii to i`
(C) `iii to ii to i`
(D) `i to iii to ii`

A

`iii to i to ii`

B

`ii to iii to i`

C

`iii to ii to i`

D

`i to iii to ii`

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