1.

Statement I : Productivity of eutrophic lake is maximum. Statement II : Cation is mainly due to adding of SO_(4)^(2-) and heavy metals.

Answer»

Both STATEMENT I and statement II are true and statement II explains statement I
Both statement I and statement II are true but statement II does not EXPLAIN statement I
Statement I is true but statement II is false
Both statement I and II are false.

Answer :C


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