http://www.hazcity.com/landslide-triggers-sites.shtml

After looking at those 6 sites, which site belongs to a corresponding letter? 9 1 ANSWER IS USED TWICE)



A. Human Caused Addition of Moisture, Human Caused Addition of Weight, and Human Caused Oversteepening
B. Human Caused Removal of Support and Human Caused Oversteepening
C. Human Caused Addition of Moisture
D. Human Caused Addition of Moisture and Human Caused Removal of Vegetation
E. Human Caused Addition of Moisture, Naturally Caused Removal of Support, and Naturally Caused Oversteepening