Which statements describe erosion?

1. The process of erosion creates soil.
2. The process of erosion moves soil.
3. People's activities have no effect on erosion.
4. Erosion is a natural occurrence.
5. Erosion can be harmful to the environment.
6. Erosion can have a negative impact on people's activities.
7. Erosion can benefit the environment.
8. Erosion can have a positive impact on people's activities.

(YOU CAN CHOOSE MORE THAN ONE!)