This goes with the first question I posted

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.

i think its white blood cells

i hope this

some inherited genetic mutations can be good for the offspring, so the answer is different genetic mutations cause many forms of cancer.

the answer u all are looking for is 4000000000000000000000 million years.