Answer:
C. Corn and beans
Step-by-step explanation:
Soil erosion is a process by which topsoil of the earth loss continuously due to weathering agents such as water and wind. Soil erosion can be prevented by growing plants in the field. Growing of long plant such as corn (10ft) combined with short height plant such as beans (2ft) conserve soil. Corn root will bind deep layers soil with their roots while beans root protect surface soil.