The most powerful possible use of CRISPR is also to insert the genes that encode the CRISPR system along with the new genes you want in an organism. Then the CRISPR genes will make changes all by themselves in all future offspring. This is called ?

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.