Author Question: Where do the largest debris flows and rock slides occur? A) in wide, broad canyons B) in steep, ... (Read 153 times)

Marty · **on:** Jul 16, 2018

Where do the largest debris flows and rock slides occur?

A) in wide, broad canyons
B) in steep, narrow canyons
C) on steep mountains or hillsides
D) on volcanoes

Question 2

What caused the debris avalanche from Mount St. Helens in 1980?

A) rainfall
B) earthquake
C) volcanic eruption
D) magma intrusion