Unit 42 Review Questions

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. Which type of bedrock is most likely to develop karst topography?

Basalt correct incorrect

Sandstone correct incorrect

Granite correct incorrect

Dolomite correct incorrect

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. The presence of vegetation enhances the development of karst topography primarily through:

rock fracture by plant roots correct incorrect

processing water through evapotranspiration correct incorrect

enhancing the precipitation of calcium carbonate correct incorrect

increasing soil acidity correct incorrect

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. Which of the following typically accelerates the formation of karst topography?

Moderate to high relief correct incorrect

Groundwater saturated with calcium and carbonate ions correct incorrect

a water table below the level of karst forming rocks correct incorrect

Location at high latitudes correct incorrect

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. A dry limestone cave:

can only be found in tropical karst correct incorrect

could not have been formed through dissolution processes correct incorrect

has never been below the water table correct incorrect

was almost certainly once below the water table correct incorrect

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. Which of the following karst features forms most rapidly?

solution sinkholes correct incorrect

swallow holes correct incorrect

collapse sinkholes correct incorrect

uvalas correct incorrect

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. At what latitude will karst topography develop the fastest?

10° correct incorrect

30° correct incorrect

50° correct incorrect

70° correct incorrect

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. Karst towers:

predominate in karst landscapes in temperate latitudes correct incorrect

are intrusions of hard igneous rock into softer limestone correct incorrect

were initially slightly higher areas with relatively little vegetation correct incorrect

are riddled with caves and often collapse correct incorrect

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. A column in a karst cave:

is a product of erosion correct incorrect

is the meeting of a stalactite and a stalagmite correct incorrect

is the remnant of a conduit correct incorrect

is composed minerals that do not dissolve easily correct incorrect