Fact 1: Soil erosion means soil loss through wind.

Fact 2: Erosion is a substantial contributor to deterioration of soil quality.

Given the two facts above, answer the question "What can lead to a deteroriation in soil quality?" with the following options: 
- rain
 - spring
 - heat
 - fungi
 - coal
 - H20
 - sugar
 - Wind


 

        Wind 