BBC1 年
Chemical weathering by solution in Upland Limestone Scenery
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 ...
BBC5 年
Chemical weathering by solution in Upland Limestone Scenery
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 ...
National Geographic news1 年
Erosion and Weathering
Weathering is the mechanical and chemical hammer that breaks down and ... Water is nature's most versatile tool. For example, take rain on a frigid day. The water pools in cracks and crevices.