Carbon is stored in the following ways.
(i) As organic molecules, in the living and dead organisms found in the biosphere.
(ii) As carbon dioxide in the atmosphere.
(iii) As organic matter in soils.
(iv) As fossil fuels and sedimentary rock deposits such as lime stone, dolomite and chalk.
(v) In the oceans as dissolved atmospheric carbon dioxide and as carbonate shells in marine organisms.
