Recap: The Four Spheres of the Earth
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Questions and Answers

What role does the Earth's atmosphere play in regulating the climate?

  • Absorbing and redistributing heat from the sun (correct)
  • Absorbing carbon dioxide for photosynthesis
  • Increasing global warming through human activities
  • Creating clouds through evaporation
  • Which process is responsible for moving water through the hydrosphere?

  • Runoff (correct)
  • Photosynthesis
  • Condensation
  • Respiration
  • What is the main component of the Earth's hydrosphere?

  • Water (correct)
  • Minerals
  • Carbon dioxide
  • Oxygen
  • Which study focuses on the Earth's hydrosphere and its processes?

    <p>Oceanography</p> Signup and view all the answers

    What is the most significant impact of human activities on the hydrosphere?

    <p>Affecting water quality and availability</p> Signup and view all the answers

    Which layer of the Earth is divided into tectonic plates that are in constant motion?

    <p>Lithosphere</p> Signup and view all the answers

    Which layer of the atmosphere is closest to the Earth's surface?

    <p>Troposphere</p> Signup and view all the answers

    What percentage of the Earth's atmosphere is composed of nitrogen?

    <p>78.08%</p> Signup and view all the answers

    Which gas is present in Earth's atmosphere at around 0.04%?

    <p>Carbon Dioxide</p> Signup and view all the answers

    What effect does the atmosphere have on reducing temperature extremes between day and night?

    <p>Reduces temperature extremes</p> Signup and view all the answers

    Which field of study focuses on processes like global warming and ozone depletion?

    <p>Atmospheric Science</p> Signup and view all the answers

    What is the main function of Earth's atmosphere in relation to life on the planet?

    <p>Absorbing solar radiation and meteoroids</p> Signup and view all the answers

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