In 1980 Mount St. Helens in Washington state erupted. What were some of the destructive forces that occurred. A. Over a billion feet of the top of this mountain blew offand toxic gas killed everyone in the state of Washington aloong with plants and animals.

B. a Tsunami wiped out San Fransisco

C. A nearby glacier melted and flooded the area, killing additional humans and animals.

D. Over a thousand feet of the top of the mountain was obliterated, causing darkness during the day for towns up to 85 miles away, mudslides and large ask deposits, loss of life to humans and animals