slides
Slumps
Avalanches
Rock fall
affects
100

Rock slides can be triggered by this...

What is an earthquake

100

A landslide on a curved surface is called this ..

what is a slump

100

Avalanches occur in this type of area

What is mountainous

100

When plants do this a rock fall can occur

What is roots growing

100

to avoid the dangers of mudflow one should...

What  not build on steep saturated slope or at the base

200

When soil and rock slide it is called a

What is a landslide

200

Slumps occur when the soil is ...

What is thick

200

The slope must be at least this many degrees for an avalanche to occur

What is 35 degrees

200

When water does this a rock fall can occur

What is freeze and thaw

200

Preventive action to divert water

what is ditches and proper drainage

300

Slides can reach a speed of ...

What is 200 km/hr

300

Slumps occur after this

What is a rain

300

Radiation from this can cause snow covered mountains to melt then later refreeze

What is the sun

300

Rock fall are less likely to occur in these regions

What is humid

300

For steep rocky slope this can be used

what is steel nets and fencing

400

Landslides can cause flooding if

What is if the debris dams a river

400

Slumps leave this shaped scars on the slope

What is crescent shaped

400

The speed of an avalanche can be up to this

What is 300 km/hr

400

The debris at the bottom of slope is called this

What is talus

400

To protect people from avalanches ...

avalanches are set off on purpose when no one is around

500

Damage from landslides cost this much per year in the US

What is 2 million

500

Slumps can be seen along these..

What is a highway

500

Small Vibrations created by this can trigger an avalanche

What is A single skier

500

The force that  is the underlying cause of rock falls is

What is gravity

500

Mudslides are common in

California  and south America