Q: What prevents soil erosion on a hillside that is being farmed?


Read this paragraph and choose the correct option from the provided answers:

Although the hillside is interesting, that's not why this was done. Terracing prevents soil erosion on a hillside that is being farmed. Many techniques can be utilized to reduce soil erosion.

 Choices:

- slash-and-burn

- irrigation

- no-till farming

- terracing


A:
terracing