Layers of Earth's Atmosphere
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Questions and Answers

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

  • Mesosphere
  • Troposphere (correct)
  • Stratosphere
  • Thermosphere
  • Which layer of the Earth's atmosphere contains a mix of nitrogen, oxygen, and carbon dioxide?

  • Mesosphere
  • Thermosphere
  • Stratosphere
  • Troposphere (correct)
  • Which layer of the Earth's atmosphere gradually fades away into space?

  • Exosphere (correct)
  • Stratosphere
  • Thermosphere
  • Mesosphere
  • At which region of the Earth is the troposphere highest in height?

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

    What is the main function of the troposphere in relation to living organisms on Earth?

    <p>Providing air for breathing and photosynthesis</p> Signup and view all the answers

    Which layer of the Earth's atmosphere is where the sun's warmth helps sustain life on Earth?

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

    Which layer of the Earth's atmosphere is responsible for enabling global communication and travel?

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

    Why does the air temperature decrease as one goes higher in the troposphere?

    <p>As a result of the heat transfer from the Earth's surface</p> Signup and view all the answers

    Which atmospheric layer allows for most of the world's aviation to take place?

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

    What is a unique feature of the stratosphere in contrast to the troposphere?

    <p>It has virtually no clouds or weather</p> Signup and view all the answers

    Which layer of the atmosphere is affected by human activity due to ozone depletion concerns?

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

    What does the ionosphere in the mesosphere allow for due to its unique properties?

    <p>Bouncing communication signals for satellites</p> Signup and view all the answers

    What is the upper most layer of the Earth's atmosphere?

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

    Which layer of the atmosphere contains a mix of nitrogen, oxygen, and carbon dioxide?

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

    At what height does the troposphere extend up to from the Earth's surface?

    <p>7.5 miles</p> Signup and view all the answers

    Which layer of the atmosphere is responsible for enabling communication all around the world?

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

    What is a key function of the mesosphere in relation to Earth's atmosphere?

    <p>Protecting Earth from meteors</p> Signup and view all the answers

    Which layer of the atmosphere gradually fades away into space?

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

    What is a distinguishing characteristic of the thermosphere compared to other layers of the atmosphere?

    <p>Air is extremely thin</p> Signup and view all the answers

    What is the primary reason for the temperature decrease in the troposphere as one goes higher in elevation?

    <p>Reduction in heat transfer from Earth's surface</p> Signup and view all the answers

    Which layer of the Earth's atmosphere serves as a protective shield against harmful ultraviolet radiation?

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

    What makes the mesosphere the coldest layer of the atmosphere?

    <p>Inability to trap heat from Earth</p> Signup and view all the answers

    Where do all Earth-orbiting satellites reside within the layers of the atmosphere?

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

    Why is the ionosphere important for communication using satellites located in this layer?

    <p>To reflect and modify radio waves</p> Signup and view all the answers

    Which feature distinguishes the stratosphere from the troposphere in terms of temperature change?

    <p>Temperature increases with elevation</p> Signup and view all the answers

    What unique characteristic of the thermosphere allows it to be a suitable location for the International Space Station?

    <p>&quot;Thinness&quot; of the layer</p> Signup and view all the answers

    What is the critical role played by most clouds in the troposphere which justifies their presence?

    <p>Generation of most of Earth's weather</p> Signup and view all the answers

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