The conditions in a local area include temperature, atmospheric pressure, wind, and humidity. the combination of all of these conditions determines a. the time of day b. the weather in the area c. the geology in the area d. the climate in the area

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.

colors do exist. the color of the sky is actually violet; humans percieve the color of the sky as blue.