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12.Ecosystem
medium
Which of the following are the essential sources for releasing in 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
$I, II, III\; and\; IV$
Solution
Burning of wood, forest fire, volcanic activity and combustion of organic matter and fossil fuels area are some essential sources for releasing $\mathrm{CO}_{2}$ in the atmosphere
Standard 12
Biology