water can develop pot holes
an underground layer of rock that can hold water is an aquifer.
Over thousands of years rain water seeps through cracks in the Earth's crust and collects in underground reservoirs between the crust and the mantle. The mantle heats the water into a super-heated liquid and, voila!, you have a geothermal reservoir!
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roots
As the water freezes in the cracks of rocks,the cracks expand. The process repeats itself and the rock eventually breaks.
an underground layer of rock that can hold water is an aquifer.
Over thousands of years rain water seeps through cracks in the Earth's crust and collects in underground reservoirs between the crust and the mantle. The mantle heats the water into a super-heated liquid and, voila!, you have a geothermal reservoir!
cracks open wider
They can be but only if there is a weakness in the surface to start with. More likely causes are washout of the substrate beneath the roadway, a badly packed repair or water freezing and expanding in surface cracks making the surface fail.
cracks open wider
The water expands as it is frozen and so the cracks are made wider/bigger :)
The rock cracks and weathers.
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Water collects in large droplets in the bottom of fuel tanks when the water is in its free state.
Usually water damage cracks
by expansion in the summer. rocks could heat to the point of expansion, develop cracks, and fall apart. the process would be hastened by water getting into the cracks, and freezing, in the winter.
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