Observe the diagram and answer the given question.
Which of the following does not constitute the underground store of carbon ?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → CO2
In the figure the stores below the ground are coal, oil and gas, and limestone and dolomite.
Option (1) Limestone and Dolomite — An underground store of carbon. Rocks formed from calcareous sediments.
Option (2) Oil and Gas — An underground store of carbon. Fossil fuels formed from organic sediments.
Option (3) Coal — An underground store of carbon. A fossil fuel from ancient plants.
Option (4) CO2 — Not an underground store of carbon. CO2 is in the atmosphere and dissolved in water.