What two basic geologic processes contributed to the formation of folded mountain ranges like in Glacier National Park?

faulting of sedimentary rock and erosion
volcanic ash buildup and faulting of rocks
folding and breaking of sedimentary rocks and erosion
folding and breaking of igneous rocks and tectonic uplifting

Answers

Answer 1
Rocks falling on the glacier from above mix with the glacial ice as well. Over long periods of time the sandpaper-like quality of the moving ice and rock scours and reshapes the land into broad U-shaped valleys, sharp peaks, and lake-filled basins.
Answer 2

Answer:

folding and breaking of sedimentary rocks and erosion


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