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      Question

      Which element has the highest percentage in the Earth's

      crust?
      A Nitrogen Correct Answer Incorrect Answer
      B Oxygen Correct Answer Incorrect Answer
      C Silicon Correct Answer Incorrect Answer
      D Iron Correct Answer Incorrect Answer

      Solution

      Oxygen makes up about 47% of the Earth's crust by weight, making it the most abundant element, followed by silicon at 27%. These two elements combine to form a majority of the Earth's minerals.

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