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    Question

    Which of the following is an example of a non-renewable

    source of energy?  
    A Solar energy Correct Answer Incorrect Answer
    B Wind energy Correct Answer Incorrect Answer
    C Coal Correct Answer Incorrect Answer
    D Geothermal energy Correct Answer Incorrect Answer

    Solution

    Coal is a non-renewable source of energy because it takes millions of years to form and is finite.   Once depleted, it cannot be replenished within a human lifespan.   In contrast, solar, wind, and geothermal energy are renewable sources, as they are naturally replenished.

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