Carbon dioxide is a chemical compound with the chemical formula CO2. It is made up of molecules that each have one carbon atom covalently double bonded to two oxygen atoms. It is found in a gas state …

2 days ago · carbon dioxide, (CO 2), a colourless gas having a faint sharp odour and a sour taste.

Feb 25, 2025 · Carbon dioxide (CO₂) is a colourless and odourless gas that is a natural component of the air and part of the global carbon cycle. It plays an important role in photosynthesis, in which …

Carbon dioxide is a natural greenhouse gas, commonly produced by the air we exhale. At higher levels, CO2 affects productivity, sleep and infectious disease transmission.

A molecule of carbon dioxide (CO 2) is made up of one carbon atom and two oxygen atoms. Carbon dioxide is an important greenhouse gas that helps to trap heat in our atmosphere.

Sep 18, 2025 · Carbon dioxide (CO2) is a colorless, odorless gas essential to life—and a powerful clue about indoor air quality. Outdoors, CO2 continues to climb as we burn fossil fuels; indoors, high CO2 …

Jan 16, 2026 · Carbon dioxide (CO2) is an important greenhouse gas. Greenhouse gases trap the heat from sunlight, warming the planet. Without any greenhouse gases, Earth would be too cold to …

Jun 28, 2024 · Carbon dioxide is a gas produced when an organic carbon compound (such as wood) or fossilized organic matter (such as coal, oil, or natural gas) is burned in the presence of oxygen. …

Carbon dioxide (commonly abbreviated as CO 2) is a clear gas composed of one atom of carbon (C) and two atoms of oxygen (O). Carbon dioxide is one of many molecules where carbon is commonly …

Aug 19, 2025 · Carbon dioxide (CO₂) is a colourless, odourless gas made up of one carbon atom and two oxygen atoms. It exists naturally in Earth’s atmosphere and plays an essential role in the planet’s …