The worst volcanic disaster in U.S. history occurred when which mountain erupted?
a. Mt. Pinatubo
b. Mt. McKinley
c. Mt. St. Helens
d. Mt. Everest
e. Humphrey's Peak
Answer: C
The worst volcanic disaster in U.S. history occurred when which mountain erupted?
a. Mt. Pinatubo
b. Mt. McKinley
c. Mt. St. Helens
d. Mt. Everest
e. Humphrey's Peak
Answer: C
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.