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פחמן דו-חמצני

Carbon dioxide · Kohlenstoffdioxid · Dioxyde de carbone · 二氧化碳 · Dióxido de carbono · 二酸化炭素 · ثنائي أكسيد الكربون · Karbon qazı · Въглероден диоксид · Διοξείδιο του άνθρακα · کربن دیاکسید · कार्बन डाईऑक्साइड

Carbon dioxide is a one-carbon compound with formula CO2 in which the carbon is attached to each oxygen atom by a double bond. A colourless, odourless gas under normal conditions, it is produced during respiration by all animals, fungi and microorganisms that depend directly or indirectly on living or decaying plants for food. Carbon dioxide appears as a colorless odorless gas at atmospheric temperatures and pressures. Relatively nontoxic and noncombustible. Heavier than air and may asphyxiate by the displacement of air.