Ice lens formation and frost heave is most common in:
a. clayey soils
b. silty soils
c. sandy soils
d. sandy and gravelly soil
b
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When a stream carrying suspended sediment enters a reservoir,
A. scouring by the suspended sediment carves the reservoir deeper. B. it deposits its suspended sediment load. C. the suspended sediment stays in suspension and is released below the dam, polluting water downstream. D. the sediment stays suspended in the reservoir water and pollutes it.
The beach scarp, a vertical wall of variable height, marks the end of the seaward profile of a beach
Indicate whether the statement is true or false
Carbon-based fuels from lithospheric reservoirs ________
A) have been slowly sequestered over many millions of years B) will be lost before the end of the decade C) are readily lost from Earth's surface in the absence of humans D) are formed from the deposition, partial decay, and compression of inorganic matter E) cannot be lost to the atmosphere by human processes once stabilized on Earth's surface
Climate is a description of ________ weather conditions.
A. Annual B. Temporary C. Long-term regional D. Stable and unchanging E. Temporary local