Carbon dioxide
Carbon dioxide or Co2 is a gas. It well contributes to global warming. A warming of the earth. Carbon dioxide is exhaled and trapped by plants. Carbon dioxide comes from cars, fossil fuel electricity, exhaling and heating. These are well fossil fuels which add carbon dioxide. The Carbon dioxide atom has 2 oxygen atoms and 1 carbon atom. Without carbon dioxide on our earth this place will be a cold planet.

Carbon Dioxide Molecule
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