carbon dioxide (CO2)

Related Terms
Colorless, odorless, non-combustible greenhouse-gas that contributes to global warming. Formed by complete combustion of fossil fuels (coal, charcoal, natural gas, petroleum) and carbon containing products (such as wood), it is released also through respiration by living organisms and by the gradual oxidation of organic matter in soil. Although relatively non-hazardous, it can create lethal oxygen-deficient environments in high concentrations (specially in confined spaces). It is one of the greenhouse gases and, since over the last 200 years its concentration in upper atmosphere has increased from 270 parts per million (PPM) to 350 ppm, it is said to be the cause of changes in global climatic patterns.
Discovered in 1754 by the Scottish scientist Joseph Black (1727-1799). See also carbon monoxide.

Use 'carbon dioxide (CO2)' in a Sentence

They say that global warming is a product of carbon dioxide which is expelled from the exhaust of motor vehicles or so they say
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Sarah was scared of the harmful effects of carbon dioxide, so she began researching alternative methods of energy production that did not create the harmful greenhouse-gas.
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There is always an equal and opposite reaction so for the automobile to run it had to release carbon dioxide.
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