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6th Class Science Water Question Bank Self Test-16

  • question_answer
    From which one of the following sources, the aquatic animals breathe in oxygen in the water?

    A) (a) Dissolved oxygen in water

    B) (b) Oxygen from the atmosphere

    C) (c) Oxygen from the human

    D) (d) One animal gives out oxygen for the others

    E) (e) None of these

    Correct Answer: A

    Solution :

    (a)


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