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Q: The three abundant elements in the earth's crust are aluminium, oxygen and silicon. The correct order of their abundance is

  • 1
    oxygen, aluminium, silicon
  • 2
    aluminium, silicon, oxygen
  • 3
    oxygen, silicon, aluminium
  • 4
    silicon, oxygen, aluminium
  • Show Answer
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Answer : 3. "oxygen, silicon, aluminium"

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