Layers of Earth's Atmosphere
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Questions and Answers

What is the main component of the atmosphere's water and aerosols?

  • Water vapor (correct)
  • Ozone
  • Carbon dioxide
  • Nitrogen
  • In which layer of the atmosphere does temperature decrease with altitude by about 6.5°C/km?

  • Troposphere (correct)
  • Mesosphere
  • Stratosphere
  • Thermosphere
  • What is the main chemical dominating the stratosphere?

  • Nitrogen
  • Carbon dioxide
  • Helium
  • Ozone (correct)
  • What is located at the coldest point in the atmosphere?

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

    Which layer of the atmosphere has exceptionally low pressure above 90km?

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

    Which layer of the atmosphere is characterized by rapid mixing and ion chemistry?

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

    What is the depth with the steepest change in temperature with depth called?

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

    Which component dominates in the surface waters of ocean circulation?

    <p>Wind-driven component</p> Signup and view all the answers

    What is the timescale for a parcel of water to circle the globe in thermohaline circulation?

    <p>1-2 thousand years</p> Signup and view all the answers

    What regions are denoted by blue arrows in the thermohaline circulation diagram?

    <p>Transport of bottom waters</p> Signup and view all the answers

    According to Wallace and Hobbs, which regions are shaded in the thermohaline circulation diagram?

    <p>Downwelling regions</p> Signup and view all the answers

    Where do prevailing winds drag the top layers of water according to the text?

    <p>Surface waters</p> Signup and view all the answers

    What is the term used to describe the rate of temperature change with altitude in the atmosphere?

    <p>Lapse rate</p> Signup and view all the answers

    Which region of the atmosphere contains about 90% of the atmosphere's mass?

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

    What causes the circulation in both the atmosphere and oceans, leading to weather patterns?

    <p>Density differences</p> Signup and view all the answers

    What is the term for a volume of air with a large number of molecules relative to its surroundings?

    <p>Air parcel</p> Signup and view all the answers

    Which atmospheric layer tends to warm the surface of the Earth through radiative transfer?

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

    What is referred to as the height at which pressure and density decrease nearly exponentially with height?

    <p>E-folding depth</p> Signup and view all the answers

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