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Questions for Discussion: Global Warming: Carbon Dioxide and the Greenhouse Effect

  • Why does the image of the scientist in the video segment fade after carbon dioxide has been turned on? How does this explain the greenhouse effect?
  • What would the scientist feel like if he were inside the tube? How does this explain the effect of carbon dioxide on the temperature of the atmosphere?
  • How long does it take for carbon dioxide to spread throughout Earth's atmosphere? How long does it take to be absorbed into the oceans?