| 1. | The good moraine of rock and rubble insulates it from water erosion.
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| 2. | These sandstone blocks are heavily weathered as a result of water erosion.
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| 3. | Being young, it does not display water erosion on its rim.
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| 4. | The mushroom shape was caused by wind, humidity, and water erosion over centuries.
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| 5. | Water erosion over the millennia has shaped the canyon's geological formations.
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| 6. | He is a proponent of the Sphinx water erosion hypothesis.
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| 7. | Weeds will gradually take it over, and water erosion can take it apart too.
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| 8. | To see Sele pitch is like watching water erosion.
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| 9. | These are possibly from ancient mining or could be natural caves caused by water erosion.
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| 10. | Less common are water erosion grinds the volcano down.
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