Creating the Perfect Habitat
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Questions and Answers

What percentage of the Earth's surface is made up of the hydrosphere?

  • 97%
  • 3%
  • 71% (correct)
  • 29%

    • What protects Earth from harmful solar radiation?

  • Energy
  • Temperature
  • Water
  • Atmosphere (correct)

    • What is the function of Earth's magnetic field?

  • To provide energy for life processes
  • To shield the surface from harmful radiation
  • To maintain the right distance from the sun
  • To protect the planet from cosmic radiation (correct)

    • How much of the Earth's atmosphere is made up of fresh water?

    <p>3%</p> Signup and view all the answers

    Which factor is NOT one of the 5 factors that makes the Earth habitable?

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

    What is the main function of Earth's magnetic field?

    <p>To protect the planet from cosmic radiation</p> Signup and view all the answers

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

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

    What percentage of the Earth's surface is covered by the hydrosphere?

    <p>71%</p> Signup and view all the answers

    What is the main source of energy for organisms on Earth?

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

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