1 .		Any process that wears away or rearranges landforms is called __________.
2 .		Variations in the resistance properties of rocks is the cause of __________ weathering.
3 .		__________ is an especially important physical weathering process in arid environments.
4 .		Karst topography refers to distinctively pitted and weathered __________ landscapes.
5 .		The Madison River Landslide in Montana was triggered by __________.
6 .		When the moisture content of moving material is high, it is called __________.
7 .		The point at which there is enough energy to overcome resistance against movement in a geomorphic system is called __________.
8 .		__________ is the parent rock from which weathered regolith and soils develop.
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