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    Question

    A statement (A) and an argument (R) are given.

    Statement (A): If carbon-dioxide increases, the glaciers will melt. Rationale (R): Earth's temperature will increase. Choose the correct option.
    A A is true but R is false. Correct Answer Incorrect Answer
    B A is false but R is true. Correct Answer Incorrect Answer
    C and R are both true and R is the correct explanation of A. Correct Answer Incorrect Answer
    D Both A and R are civil but R is not a correct interpretation of A. Correct Answer Incorrect Answer

    Solution

    The carbon dioxide envelope in earth's atmosphere traps the heat. With increase in the proportion of carbon dioxide, therefore, the global temperature would rise, thus causing the polar ice to melt.

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