Large-scale environmental catastrophes A. result from human activities
B. have a negative impact on ecosystems
C. affect a variety of environmental factors
D. all of the above

ucd e e. rr. t t t t t t. to

do yall know 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.