On cool spring mornings, veils of fog can often be seen rising above warm lakes and ponds. This type fog is an example of ________ fog
A) radiation B) convection C) evaporation D) advection
C
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The frequency of reported tornadoes would be favored by all the conditions EXCEPT
A. north-south mountain chains. B. sophisticated detection ability. C. proximity to a supply of warm moist air. D. upper level wind shear.
The recession of the early 21st century resulted in
A) slowed interregional migration because there were few opportunities anywhere. B) slowed intraregional migration because housing prices were high. C) increased interregional migration because of job searches. D) increased intraregional migration because of job searches. E) intraregional migration matched perfectly with interregional migration.
A halo around the sun or moon indicates that rain may be on the way. Which of the following statements explains why this is the case?
A. A sharp drop in atmospheric pressure may occur. B. A warm front may be approaching. C. A cold front may be approaching. D. A sudden rise in surface dew point temperature may occur.
Compounds are ________
A) molecules that are made of more than one element B) atoms that are radioactive C) atoms that are electrically charged D) molecules that are held together by atoms E) molecules that have mass