Carbon exists in the atmosphere in the form of

Carbon exists in the atmosphere in the form of Carbon dioxide in air (0.03 % only). Carbon also occurs in the form of minerals such as carbonates, fossil fuels and other organic compounds. Carbon monoxide is produced by the incomplete combustion of carbon due to limited supply of oxygen. It is pollutant that is formed when hydrocarbons such as petrol and diesel are burnt. Carbon monoxide is short-lived and is oxidized into carbon dioxide.