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Physical Geography: Atmospheric Water & Water Cycle
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Physical Geography: Atmospheric Water & Water Cycle

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Questions and Answers

What is the primary reason why water is important on Earth?

  • It is involved in the water cycle
  • It exists in three phases
  • It is a thermal energy source
  • It is essential for all life (correct)
  • What happens to the air temperature when an air mass expands?

  • It increases
  • It remains constant
  • It becomes saturated
  • It decreases (correct)
  • What is the result of condensation when an air mass cools to its dew point?

  • Evaporation occurs
  • Clouds dissipate
  • The air mass contracts
  • Clouds form (correct)
  • What is the rate of cooling of an unsaturated air mass as it rises?

    <p>5.50F/1000 ft</p> Signup and view all the answers

    What occurs when an air mass contracts?

    <p>The air temperature warms</p> Signup and view all the answers

    What is the difference between a dry adiabatic rate and a saturated adiabatic rate?

    <p>The rate of cooling is faster in dry air</p> Signup and view all the answers

    What is the altitude at which the air becomes saturated and can no longer hold any more water vapor?

    <p>Lifting condensation level</p> Signup and view all the answers

    What is the rate at which the air cools when it rises, and the air is saturated with water vapor?

    <p>Saturated adiabatic rate</p> Signup and view all the answers

    What is the term for the amount of water vapor present in a given volume of air?

    <p>Absolute humidity</p> Signup and view all the answers

    What happens when the relative humidity reaches 100%?

    <p>The air becomes saturated, and precipitation occurs</p> Signup and view all the answers

    What determines the altitude of an air parcel?

    <p>Buoyant force and gravitational force</p> Signup and view all the answers

    What type of air is characterized by a parcel rising until it reaches equilibrium or the top of the troposphere?

    <p>Unstable air</p> Signup and view all the answers

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