Following the May 1980 eruption of Mount St.Helens,Washington,thousands of trees lay on the ground,all parallel to one another.Why?
A) A lateral blast at the beginning of the eruption blew them all down.
B) A big earthquake at the beginning of the eruption shook them down.
C) Huge mudflows racing downslope flattened them.
D) A giant landslide from the volcano toppled them.
E) Thermal winds during the eruption toppled them.
Correct Answer:
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