Examine the topography of the area approximately 2 km west of the town of Avoca. (You can use the slider to make the map more transparent so that you can compare it with the photographic imagery, and zoom in slightly if you need to see more detail.) This area is characterized by the karst landform of.

a karst valley

Explanation:

Karst is a topography found in rainy regions with soluble rocks such as limestone, gypsum and dolomite. The rocks are reduced by dissolution, forming drainage systems with caves and sinkholes, which could be underground or exposed to the surface.

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Explanation:

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