Weather Quiz # 2

Name

1.	The primary cause of all changes in the Earth's weather is

	A. variation of solar energy received by the Earth's regions.
	B. changes in air pressure over the Earth's surface.
	C. movement of the air masses.

2.	What are the characteristics of Stable Air?

	A. Good visibility, steady precipitation, and stratus-type clouds
	B. Poor visibility, intermittent precipitation, and cumulus-type clouds.
	C. Poor visibility, steady precipitation, and stratus-type clouds.

3.	To which meteorological condition does the term "dewpoint" refer?

	A. temperature to which air must be cooled to become saturated.
	B. The temperature at which condensation and evaporation are equal.
	C. The temperature at which dew will always form.

4.	What situation is most conductive to the formation of radiation fog?

	A. Warm, moist air over low, flatland areas on clear, calm nights.
	B. Moist, tropical air moving over cold, offshore water.
	C. the movement of cold air over much warmer water.

5.	Clouds, fog, or dew will always form when

	A. water vapor condenses.
	B. water vapor is present.
	C. the temperature and dewpoint are equal.

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