Asked by mbhbhbojbkj
The same starting landscape shape was eroded two times, resulting in the images below. What most likely accounts for the differences in the resulting landscapes?
ErosionRatesAQ4
Landscape A is made of shale, while landscape B is made of sandstone.
Landscape A experienced higher precipitation than landscape B.
Landscape A experienced higher average temperatures than landscape B.
Landscape A had less vegetation than landscape B.
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Answered by
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Landscape A is made of shale, while landscape B is made of sandstone.
Reason: Sandstone is more resistant to erosion than shale, so the same starting shape erodes into steeper, more rugged features (B) where harder rock remains and gentler, more subdued slopes (A) where softer shale has worn away. Differences in climate or vegetation affect erosion rate but would not produce the characteristic resistant-ridge / worn-valley pattern as clearly as rock type.
Reason: Sandstone is more resistant to erosion than shale, so the same starting shape erodes into steeper, more rugged features (B) where harder rock remains and gentler, more subdued slopes (A) where softer shale has worn away. Differences in climate or vegetation affect erosion rate but would not produce the characteristic resistant-ridge / worn-valley pattern as clearly as rock type.
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