Weathering, Erosion, Karst Topography Exam Question Preview (ID: 36150)


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Which of these substances plays the most important part in chemical weathering?
a) Water
b) Ice
c) Frost
d) Wind

The Grand Canyon was formed by —
a) wind erosion
b) rain erosion
c) river erosion
d) karst topography

Sinkholes and caves are created when limestone formations are dissolved by —
a) strong hydrochloric acid from mine runoff
b) weak sulfuric acid from animal remains
c) weak carbonic acid contained in ground
d) strong hypochlorite from acid rain

Four agents of erosion are —
a) wind, water, gravity and ice
b) topographic, sedimentary, igneous and deposition
c) air, fire, water and metamorphism
d) igneous, sedimentary, gravity and metamorphic

Karst topography is common in which province of Virginia?
a) Coastal Plain
b) Blue Ridge
c) Piedmont
d) Valley and Ridge

All of the following may be found deep in a natural cave EXCEPT —
a) photosynthetic organisms
b) groundwater
c) stalagmites
d) mineral deposits

Which structure is most similar to an alluvial fan in formation and composition?
a) Watershed
b) River
c) Delta
d) Lake

Limestone is a common bedrock in the Valley and Ridge province of Virginia. Caves  and sinkholes are common in this province, and are examples of geologic features  formed by—
a) abrasion
b) mechanical weathering
c) exfoliation
d) chemical weathering

What would NOT be shown on a karst topographic map?
a) Cavern
b) Sinkhole
c) Underground water reservoir
d) High pressure system

What type of erosion produces rounded valleys?
a) Glacial
b) River
c) Wind
d) Wave

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