hunter & nick

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Storyboard Text

  • h2
  • H2 and He are warm like earth. molecules of gas moved so fast & escaped earths gravity and drifted in space.
  • h2
  • he
  • h2
  • he
  • volcanoes released gases H2O,CO2, and Nh3. carbon dioxide dissolved in seawater, and bacteria thrived on CO2 and sunlight.
  • h2o
  • co2
  • nh3
  • n2
  • o3
  • h2o
  • o2
  • O2 and H2O levels rise in the atmosphere and CO2 and ammonia levels drop.
  • co2
  • n2
  • H
  • H2O
  • O
  • H
  • O
  • N
  • CO2
  • O
  • H
  • NH3
  • steam (H2O, with two hydrogen atoms and one oxygen atom), carbon dioxide (CO2, with one carbon atoms and two oxygen atoms), ammonia (NH3, with one nitrogen atom and three hydrogen atoms).
  • H
  • H
  • n2
  • o3
  • o2
  • h2o
  • co2
  • n2
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