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Subjects

Geography

Humidity, evaporation, and condensation

TOPIC PRACTICE

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Expert · Level 85 · saturation,moisture addition,humidity
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  1. By adding enough water vapour to it
  2. By permanently making its pressure zero
  3. By removing all water vapour from it
  4. By making it completely dry
Expert · Level 85 · frost,deposition,water vapour
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  1. Only boiling
  2. Direct deposition of water vapour as ice
  3. Evaporation of sea salt
  4. Air becoming liquid oxygen
Expert · Level 85 · diurnal variation,relative humidity,temperature
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  1. Afternoon heating raises saturation vapour pressure
  2. Vapour mass becomes zero in afternoon
  3. No molecules remain in air in afternoon
  4. There are no condensation nuclei in afternoon
Expert · Level 85 · wind,evaporation,boundary layer
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  1. Because it removes the saturated boundary layer
  2. Because it immediately turns water into ice
  3. Because it destroys water vapour
  4. Because wind switches off the Sun
Expert · Level 85 · water vapour,variable gas,humidity
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  1. Because its amount changes greatly with place and time
  2. Because it is never found in the atmosphere
  3. Because it remains only in solid state
  4. Because it has no relation with weather
Expert · Level 85 · troposphere,water vapour,vertical distribution
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  1. Because moisture sources are near the surface and oceans
  2. Because temperature is always higher in the upper atmosphere
  3. Because vapour only falls from space
  4. Because there is no evaporation near the lower part
Expert · Level 85 · saturated air,cooling,condensation
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  1. Rapid evaporation
  2. Condensation or deposition
  3. Complete disappearance of moisture
  4. Zero air pressure
Expert · Level 85 · vapour pressure,humidity,water vapour
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  1. Because it expresses the partial pressure exerted by water vapour
  2. Because it tells river flow velocity
  3. Because it is the pitch of sound in air
  4. Because it only measures ocean waves
Expert · Level 85 · relative humidity,formula,vapour pressure
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  1. (RH=\frac{e_s}{e}\times100)
  2. (RH=\frac{e}{e_s}\times100)
  3. (RH=e+e_s)
  4. (RH=e-e_s)
Expert · Level 85 · latent heat,evaporation,condensation
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  1. Evaporation releases heat and condensation absorbs heat
  2. Both have no relation with heat
  3. Evaporation absorbs heat and condensation releases heat
  4. Both only create gravitational energy
Expert · Level 85 · cloud base,lifting condensation level,humidity
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  1. Air needs less uplift to reach saturation
  2. Air has become completely dry
  3. Water vapour has disappeared
  4. Solar radiation is zero
Expert · Level 85 · evaporation,high humidity,calm air
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  1. Low temperature, high humidity, and calm air
  2. High temperature, low humidity, and strong wind
  3. Dry hot air and open surface
  4. Strong wind and high solar energy
Expert · Level 85 · relative humidity,rain chance,precipitation
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  1. Because relative humidity only shows closeness to saturation
  2. Because rainfall never involves water vapour
  3. Because (50%) humidity always means (50%) rainfall
  4. Because (RH) has no relation with temperature
Expert · Level 85 · salinity,evaporation,vapour pressure
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  1. Salinity can slightly reduce the vapour pressure of water
  2. Salinity makes air completely zero
  3. Salinity eliminates solar energy
  4. Salinity never allows water to become gas
Expert · Level 85 · mist,fog,visibility
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  1. Range of visibility
  2. Amount of oxygen in air
  3. Height of ocean tide
  4. Distance of the Sun
Expert · Level 85 · vertical humidity,cloud development,radiation
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  1. Upper dry layers can affect cloud development and radiation balance
  2. Oceanic vapour is always higher aloft
  3. Evaporation sources increase with height
  4. Upper-air moisture has no relation to weather
Expert · Level 85 · evaporation fog,warm water,cold air
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  1. Warm water supplies moisture and cold air saturates quickly
  2. Cold air has infinite vapour capacity
  3. Warm water gives no vapour
  4. Fog forms only without water
Expert · Level 85 · water vapour,longwave radiation,night temperature
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  1. Because water vapour absorbs longwave radiation
  2. Because water vapour stops the Sun and creates day
  3. Because water vapour has no thermal property
  4. Because water vapour removes gravity
Expert · Level 85 · dew point,uplift cooling,condensation
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  1. Air rising and expanding
  2. Air becoming stone
  3. Air permanently becoming water
  4. Oxygen disappearing from air
Expert · Level 85 · frost,dew,freezing surface
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  1. Surface temperature below freezing and enough moisture in air
  2. Very hot surface and completely dry air
  3. Surface temperature far above dew point
  4. No water vapour in air