Question

What is carbon dioxide?


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Answer 1

Answer:

Carbon dioxide is a colorless and non-flammable gas at normal temperature and pressure. Although much less abundant than nitrogen and oxygen in Earth's atmosphere, carbon dioxide is an important constituent of our planet's air. A molecule of carbon dioxide (CO2) is made up of one carbon atom and two oxygen atoms.

Answer 2

Answer:

Carbon dioxide is a colourless, odorless gas found in our atmosphere. Its chemical formula is CO2, which means it is one carbon atom bonded to two oxygen atoms. It is a waste product in our bodies and is also produced by burning fossil fuels.

or

Carbon dioxide is a chemical compound composed of one carbon and two oxygen atoms bonded together. It is one of the important ingredients in photosynthesis, the process by which green plants prepare food and energy.

Explanation:

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