7th Class Science Forests: Our Lifeline Question Bank Forests : Our Lifeline

  • question_answer
    If forests disappear

    A) Amount of \[C{{O}_{2}}\]in air will decrease

    B) Amount of \[C{{O}_{2}}\] in air will increase

    C) Amount of \[{{O}_{2}}\]in air will increase

    D) Amount of \[{{N}_{2}}\] in air will increase

    Correct Answer: B

    Solution :

    Amount of \[C{{O}_{2}}\] in air will increase


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