In order of their importance (High to Law) which constitute in the composition of Earth:

Earth is made up of more than 100 different elements. Arrange the following four important elements in order of their importance (High to Law) which constitute in the composition of Earth:

  1. Oxygen, Aluminium, Silicon, Iron
  2. Oxygen, Silicon, Iron, Aluminium
  3. Oxygen, Iron, Aluminium, Silicon
  4. Oxygen, Silicon, Aluminium, Iron
Anurag Mishra Professor Asked on 12th February 2016 in Environment Science.
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    Answer: (4) Oxygen Silicon Aluminium Iron

    Anurag Mishra Professor Answered on 14th April 2016.
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