Unit 2: The Atmosphere - The Evolution of the Atmosphere

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1. What sort of electromagnetic radiation split molecules of oxygen to form ozone?

  • X-Rays
  • Microwaves
  • Ultraviolet
  • Visible Light
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Other questions in this quiz

2. By which process was oxygen first released into the atmosphere?

  • Photosynthesis
  • Anaerobic Respiration
  • Aerobic Respiration
  • Oxidation

3. Ozone is made of how many oxygen atoms?

  • Four
  • Three
  • Two
  • One

4. What is the purpose of the ozone layer?

  • To block harmful microwaves
  • To keep UV radiation on Earth
  • To block harmful UV radiation
  • To block visable light

5. Where did life first evolve?

  • In the sky
  • Underground
  • In the oceans
  • In the rainforest


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