The boulders protect the limestone from chemical weathering. The depth of the limestone ... and limestone beneath can act as a very stark example of different rates of erosion for different ...

Freeze-thaw weathering occurs when rocks are porous (contain holes) or permeable (allow water to pass through). Water enters cracks in the rock. When temperatures drop, the water freezes and ...

She named it "Weathering." "The idea of weathering was connoting sort of how a rock, for example, would be weathered by ...

The film highlights various examples, such as a once-thriving agricultural town now in ruins, and demonstrates how these processes affect everything from buildings and monuments to mountains and ...