Who is von thunen and how does he relate to agriculture?

Each autumn the forest floor is covered by leaves that have fallen from trees which type of organisms is most effective in decomposing the leaf tissue allowing the nutrients and minerals to be recycled in the environment?

Receiving 24 points on your license within a 36-month period will cause your license to be suspended for a. 30 days b. three months c. six months d. one year

After a heavy rainstorm vegetation on a hillslope was completely removed. how will this removal of vegetation affect the relative amounts of infilitration and runoff that occur during the next heavy rainstorm.