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  • Carbon - I
  • Coal is formed over millions of years by
Multiple choice

Coal is formed over millions of years by

  1. degradation of plant and animal waste products

  2. weathering of rocks

  3. action of heat on rocks

  4. decomposition of plants

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Coal is a decomposition product of plants buried millions of years ago due to some natural phenomenon.

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