What is the porosity (%) of a sediment that has a volume of 350 mL dry and is totally saturated with 50 mL of water?

biology is the study of life. it is the study of living organism.

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; ///animal spirits;