The big bang theory was supported by the discovery of the

Verified with a test today that the answer is NOT THE RED SHIFT!

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

answer; ///progressive relaxation;