How does carbon enter the atmosphere?

directly from natural carbon dioxide springs, where it is produced by the action of acidified water on limestone or dolomite. See the links below. The two main ways that carbon enters the atmosphere is by combustion and bio process. CO2 or CO are the main two atmospheric carbon gases. read more

Carbon moves from the atmosphere to plants. In the atmosphere, carbon is attached to oxygen in a gas called carbon dioxide (CO 2). With the help of the Sun, through the process of photosynthesis, carbon dioxide is pulled from the air to make plant food from carbon. Carbon moves from plants to animals. read more