Determine which soil layer best fits the following description.Topsoil occurs in this layer, which is composed of a combination of organic debris and mineral matter.
A. A horizon
B. B horizon
C. C horizon
D. O horizon
E. E horizon
Answer: A
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What is a xerophytic flora?
A. cactus B. marsh grass C. magnolia tree D. water lily E. swampgrass
The two relatively flat areas on the hypsographic curve represent ________
A) continental mountains and abyssal plains B) continental mountains and mid-ocean ridges C) continental slopes and deep-sea trenches D) interior continental areas and abyssal plains on the ocean floor E) interior continental areas and mid-ocean ridges
A reddish color in a sedimentary rock usually indicates:
a. oxidizing conditions b. reducing conditions c. an abundance of organic matter d. a lack of organic matter
Which of the following clues would the steepness of a slope, by itself, be most directly able to provide to a geographer in understanding a place?
A) It suggests the ethnicity of human settlement that may have lived on the slope. B) It suggests the type of rock that might be present to form soils. C) It suggests how far the location is from the equator. D) It suggests the strength of the wind at the location.