Consider the two samples of sedimentary rock seen here. Predict which rock would be more likely to undergo physical weathering. Explain how and why.
Responses
A Shale. Shale contains iron which is an element that easily combines with the oxygen in the atmosphere to produce rust.Shale. Shale contains iron which is an element that easily combines with the oxygen in the atmosphere to produce rust.
B Sandstone. Sandstone has more obvious layers of sediments.Sandstone. Sandstone has more obvious layers of sediments.
C Sandstone. Sandstone is made of large sand-like grains and is easily eroded by wind.Sandstone. Sandstone is made of large sand-like grains and is easily eroded by wind.
D Shale. Shale is fine grained and is more likely to dissolve in water.
