One major human activity that has contributed to flooding is ____.
A. constructing dams
B. directing stream flow
C. destroying vegetation
D. irrigation
E. urbanization
Answer: C
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In what country is Shi'a Islam the official state religion?
A) Jordan B) Egypt C) Bangladesh D) Iran E) Malaysia
The reason that temperature increases with altitude through most of the stratosphere is ________
A) greenhouse gases warm the air B) heat is released by absorption of UV radiation by oxygen and ozone C) sunlight is more intense in the stratosphere D) water vapor levels are high and store heat E) jet stream winds produce frictional heat
Walking along the woods, a student spot a lizard that quickly runs under some leaves that are resting on the forest floor. Looking under the leaves to find the lizard, he notices that the soil is very moist despite several days without rain
This moist soil layer under the leaves is a result of A) humus with a high water-holding capacity and reduced evaporative loss in the O horizon. B) sand with a high water-holding capacity with water supplied from the B and E horizon. C) low infiltration and high evaporative loss in the B horizon. D) a low water-holding capacity of the lower soil layers and high evaporation through the top soil layers.
To a weather forecaster a clear sky is one where no clouds are present. When there are between ____ and ____ clouds covering the sky, there are a few clouds present
a. one-eighth; two-eighth b. two-eighth; three-eighth c. three-eighth; four-eighth d. four-eighth; five-eighth e. five-eighth; six-eighth