How do scientists determine the amount of carbon dioxide that has been in atmosphere for the past centuries?
The most direct method for measuring atmospheric carbon dioxide concentrations for periods before direct sampling is to measure bubbles of air (fluid or gas inclusions) trapped in the Antarctic or Greenland ice caps. Because the ice caps are ancient scientists can take a large sample to cross reference the amount of carbon dioxide that existed in the atmosphere centuries ago. ChaCha!
Answered by Dawn D. -
About Carbon Dioxide
Carbon dioxide is a chemical compound composed of two oxygen atoms bonded to a single carbon atom. CO2 is increasing due to the burning of fossil fuels, leading to global warming. Carbon dioxide is often confused with carbon monoxide.
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