Pretend that you are a farmer. Your land is suffering from soil erosion, and you need to decide how to protect your topsoil from further erosion. Which strategy would be most helpful in solving your problem?
A. Clear out trees and shrubs that line the edges of the fields.
B. Remove all harvested crops before the winter.
C. Plant windbreaks around the edges of the field.
D. Till the fields in straight lines when the land is uneven.