The wearing away of soil and rock and the subsequent downslope movement of the fragments are called
a. erosion.
b. weathering.
c. cross-cutting.
d. deposition.
[Ques. 2] Which of the following is not a main agent of erosion?
a. Permafrost
b. Ice
c. Wind
d. Streams
[Ques. 3] In latitudes where the subsurface layer of soil always remains frozen, the frozen layer is called
a. an aquifer.
b. the frost table.
c. a glacier.
d. permafrost.
[Ques. 4] Which of the following phenomena results from limestone being dissolved by rainwater?
a. Caverns
b. Delta formation
c. Sea arches
d. Beaches
[Ques. 5] The type of rock most susceptible to chemical weathering is
a. sandstone.
b. basalt.
c. shale.
d. limestone.
[Ques. 6] Chemical weathering is most prevalent in what type of climate?
a. Moist and cold
b. Dry and cold
c. Dry and hot
d. Moist and hot
[Ques. 7] An important agent in chemical weathering is
a. carbonic acid.
b. permafrost.
c. wind.
d. frost.
[Ques. 8] The two major types of weathering studied in this chapter are mechanical weathering and ______________ weathering.
a. stream
b. chemical
c. abrasion
d. adverse
[Ques. 9] Which of the following is a common type of mechanical weathering?
a. Frost wedging
b. Delta formation
c. Sinkhole formation
d. Moraine disintegration
[Ques. 10] The physical disintegration and chemical decomposition of rock at or near Earth's surface is called
a. the disintegration chain.
b. erosion.
c. the decomposition cycle.
d. weathering.
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