The capacity of the atmosphere to disperse and dilute pollutant materials is:
A) the same in all locations. B) large and unchanging.
C) highly variable and based on the weather. D) predictable and consistent from day to day.
C
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This figure has rock units and geologic features that are assigned letters that are not in any order. From the geologic relations, what is the oldest unit or feature of those listed below?
A) The canyon (feature N)
B) Lava flow (unit L)
C) Dike (unit D)
D) Fault (feature F)
E) Old river channels (feature R)
Divergent plate boundaries most commonly occur along ____
A)continental margins B)mountain belts C)oceanic trenches D)the crests of oceanic ridges E)fault valleys
What is the minimum number of oxygen atoms present in an ester?
A) 1 B) 2 C) 3 D) 4
The steppe biome is characterized by what features?
A) Low annual rainfall, grasses, and desert shrubs B) Low temperatures, stunted trees, and wildflowers C) Mixed trees such as ponderosa pine, oak, and Douglas fir D) Moderate rainfall supporting Aspen groves