Atmosphere and Stellar Atmosphere Quiz
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Questions and Answers

What is the primary gas composition of Earth's atmosphere?

  • Oxygen (21%)
  • Nitrogen (78%) (correct)
  • Argon (0.9%)
  • Carbon dioxide (0.04%)

    • What is the role of lightning and bacteria in the Earth's atmosphere?

  • Fixing nitrogen to produce ammonia (correct)
  • Producing oxygen for respiration
  • Creating layers to minimize harmful effects of radiation
  • Removing carbon dioxide from the atmosphere

    • What is the purpose of the layered composition of the Earth's atmosphere?

  • To minimize harmful effects of radiation (correct)
  • To reduce the effects of gravity
  • To create a colorful sky
  • To increase the transparency of the atmosphere

    • What is the significance of the temperature of an atmosphere for a planet to retain it?

    <p>It influences the ability of the planet to retain its atmosphere</p> Signup and view all the answers

    What is a stellar atmosphere?

    <p>The outer region of a star that includes layers above the opaque photosphere</p> Signup and view all the answers

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