Which of the following are the essential sources for releasing $CO_{2}$ into the atmosphere?
$I.$ Burning of wood
$II.$ Volcanic activity
$III.$ Combustion of organic matter
$IV.$ Fossil fuels
Choose the correct option.

  • A
    $I, II$ and $III$
  • B
    $II, III$ and $IV$
  • C
    $I, III$ and $IV$
  • D
    $I, II, III$ and $IV$

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