Clouds, dew and frost all form because air has become saturated. This condition of saturation is USUALLY caused by:
A) lack of convective mixing.
B) a temperature increase.
C) the air being cooled.
D) an abundance of condensation nuclei.
E) adding water vapor.
C
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What is the name for the narrow moist zone above the water table?
a. zone of aeration b. capillary fringe c. water table d. pressure head e. aquiclude
"Edge effects" become particularly problematic when
A. forests undergo biodiversity changes as a result of climate change B. trying to manage and protect island biodiversity C. preserves have a very large area and a roughly circular shape D. formerly large habitats are reduced to small fragments
In both Canada and the United States, ________ was far and away the most influential of the four colonial powers
A) France B) Great Britain C) Spain D) the Netherlands E) none of the above
Which of the following soils would be found in a very dry biome, and is thin, light colored, and occurs where irrigation leads to salinization?