Atmosphere and Photosynthesis Quiz
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Questions and Answers

What is the main source of oxygen in the atmosphere?

  • Volcanic ash
  • Nitrogen
  • Photosynthetic organisms (correct)
  • Pollen
  • What is the result of photosynthesis?

  • Carbon dioxide (CO2) to nitrogen (N2
  • Carbon dioxide (CO2) to oxygen (O2 (correct)
  • Oxygen (O2) to nitrogen (N2
  • Oxygen (O2) to carbon dioxide (CO2
  • What is air made up of?

  • Solid particles
  • Gaseous particles
  • Atoms and molecules (correct)
  • All of the above
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