2. The first group of fossils (in a layer closer to the surface of the earth) was numerous, while the second group contained only a few
fossils. What does the difference in the number of fossils imply?

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.

im not intirely sure but i think the anwser is d relative humidity