Which presents the greatest danger to people in the Cascade Mountains region? A. rapidly moving glaciers
B. active volcanoes
C. lack of drinking water
D. desert sandstorms

The most significant threats are from volcanic ash and from the slurry of mud and debris within lahars. Even in the absence of eruption, the flanks of Cascade volcanoes can collapse, which result in landslides and debris avalanches that can destroy areas downslope from the collapse location.

Explanation:

lack of drinking water

Explanation:

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