What kind of bacteria grows in one hour, and how much per hour?

so whats the answer

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.

. ph changes the ability of them he enzyme to dissolve in water.