Classify each process as weathering or erosion.
The Colorado River carves land
in Arizona to form the Grand
Canyon.
A marble statue near the science
museum is changing color due to
rainfall.
The sand dunes in the Sahara
Desert are changing shape.
Cracks form in a sandstone wall
surrounding a house.
After a rainstorm, soil and rock
pieces litter the roadways.
Weathering
Erosion