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When cool air moves over warm water and mositure is added to the air, what kind of fog forms?
Steam Fog
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What is the relative humidity when it is raining outside?
100%
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Which clouds are often called "fair weather" clouds?
cumulus
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Air that has reached its water-vapor capacity is said to be______.
Saturated
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The dew point is the temperature at which _____.
water vapor condenses to a liquid
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When using a psychrometer and the two temperatures read nearly the same, you can concluse that ______.
the air has a high relative humidity
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whch precipitation process is know as a "warm cloud method"?______
Collision-coalescene
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What time of day will the relative humidity be the lowest?
mid-afternoon
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When warm, moist air moves over a cool surface, what kind of fog forms?
advection fog
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The process in which temperature of an air mass decreases as the air rises and expands is called
adiabatic cooling
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When does water change from one phase to another
when heat energy is absorbed or released
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The cloud form that is best described as sheets or layer that cover much or all of the sky is called _____
status
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What happens to molecules in rising air?
They move farther apart
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Frost is an example of what process?
Deposition
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What kind of process is evaporation?
Cooling
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The conditons that favor the fomration of radiation fog are __________.
cool, clear, calm nights
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What is the name of the precipitation process that occurs when large snowflakes form and fall to the ground or melt during descent and fall as rain?
Bergeron
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In nature, how is water vapor primarily added to the atmosphere?
Evaporation
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