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      Question

      The most abundant elements in the earth's crust

      are:
      A Fe, Al, Mn, N, P Correct Answer Incorrect Answer
      B O, Si, Al, Fe, Ca Correct Answer Incorrect Answer
      C N, P, K, Ca, Mg Correct Answer Incorrect Answer
      D C, H, O, N, P Correct Answer Incorrect Answer

      Solution

      Oxygen and Silicon are the two most dominant elements, forming the silicate minerals that make up most rocks. Aluminum and Iron are the most abundant metals in the crust.

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