Explore Earth's Atmospheric Layers

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Questions and Answers

Which layer of the Earth's atmosphere contains almost 80% of the total mass of air and practically all the atmosphere's water vapor?

  • Thermosphere
  • Stratosphere
  • Troposphere (correct)
  • Mesosphere

What is the thinnest layer of the Earth's atmosphere?

  • Stratosphere (correct)
  • Mesosphere
  • Troposphere
  • Thermosphere

Which layer of the Earth's atmosphere contains ozone that helps prevent harmful UV rays from reaching Earth's surface?

  • Stratosphere (correct)
  • Thermosphere
  • Mesosphere
  • Troposphere

At what altitude does the temperature start to increase in the Earth's atmosphere?

<p>19-50 km above the equator (A)</p> Signup and view all the answers

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

<p>Thermosphere (B)</p> Signup and view all the answers

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