Which is the result of genetic drift? a. a decrease in genetic diversity
b. a decrease in the size of the population
c. an increase in the size of the gene pool
d. an increase in total allelic frequency

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.

answer; incomplete dominance;

answer; civil inattention;