However, at normally encountered concentrations it is odorless.As the source of available carbon in the carbon cycle, atmospheric carbon dioxide is the primary carbon source for life on Earth and its concentration in Earth's pre-industrial atmosphere since late in the Precambrian has been regulated by photosynthetic organisms and geological phenomena. Carbon dioxide has a sharp and acidic odor and generates the taste of soda water in the mouth. It is present in deposits of petroleum and natural gas. Because carbon dioxide is soluble in water, it occurs naturally in groundwater, rivers and lakes, ice caps, glaciers and seawater. Natural sources include volcanoes, hot springs and geysers, and it is freed from carbonate rocks by dissolution in water and acids. The current concentration is about 0.04% (412 ppm) by volume, having risen from pre-industrial levels of 280 ppm. It occurs naturally in Earth's atmosphere as a trace gas. Carbon dioxide molecules consist of a carbon atom covalently double bonded to two oxygen atoms. Occidental Petroleum's Diverse Strategy Just Might Work Outġ4 Best High-Yield Dividend Stocks To Buy Nowīuying These 3 Beaten-Down High-Yield, Dividend Stocks Could Be a Genius Move to Boost Your Passive Incomeģ Things You Need to Know Before You Buy Ultra-High-Yield Stock Energy TransferĬarbon dioxide (chemical formula CO2) is a colorless gas with a density about 53% higher than that of dry air. Interested in Occidental Petroleum? Check Out This Oil Stock First. Zacks Industry Outlook Highlights Enterprise Products Partners, Energy Transfer and Plains All American Pipelineģ Stocks Warren Buffett Plans to Hold Forever That Still Look Like Great Buys Today Chronis as Nominee for Election to Board of Directors Is Trending Stock Energy Transfer LP (ET) a Buy Now? Oil prices supported by stronger demand in Europe: Goldman Sachs Mexico said to cut some oil exports as global supplies tighten This Warren Buffett Stock Just Got a Vote of Confidence From a Key Rival. Wall Street Analysts See Upside Potential for 10 Stocks with Rising Price Targets
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