Weathering, Erosion, Karst Topography exam

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Which of these substances plays the most important part in chemical weathering?

Karst topography is common in which province of Virginia?

What type of erosion produces rounded valleys?

Four agents of erosion are —

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—

What would NOT be shown on a karst topographic map?

All of the following may be found deep in a natural cave EXCEPT —

Which structure is most similar to an alluvial fan in formation and composition?