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     EduGorilla 
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    Directions: Given below are two statements, one labelled as Assertion (A) and the other as Reason (R). Read the statements carefully and choose the correct option.

    Assertion(A)
    : A river with high BOD (Biological Oxygen Demand) is comparatively less polluted.
    Reason(R): Eutrophication leads to the decrease in the concentration of CO2 in water bodies.

    Options :-

    1. A is true, R is false.
    2. A is false, R is true.
    3. Both A and R are true.
    4. Both A and R are false.
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