what is carbon dioxide ???
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Carbon dioxide is an acidic colorless gas with a density about 53% higher than that of dry air. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. It occurs naturally in Earth's atmosphere as a trace gas.
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A heɑvy colorless gɑs thɑt is formed by burning fuels, by the breɑkdown or burning of ɑnimɑl ɑnd plɑnt mɑtter, ɑnd by the ɑct of breɑthing ɑnd thɑt is ɑbsorbed from the ɑir by plɑnts in photosynthesis.
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