Landslides and avalanches

What do people use to make small avalanches to prevent bigger ones?

Helicopters

Explosives

A __________ landslide consists of rocks.

Rockfall

Slumping

What do skiers wear in case they get caught in an avalanche?

A signal light

A tracking device

Debris flow landslides occur when...

A slope gets saturated with water

People leave trash everywhere

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