What is this?
Earthquake.
Weathering.
What is this?
Landslide.
Weathering.
What is this?
Erosion.
Weathering.
What is this?
Erosion.
Weathering.
What is this?
Erosion.
Earthquake.
What is this?
Erosion.
Landslide.
What is this?
Erosion.
Volcano.
What is this?
Earthquake.
Volcano.
What is this?
Landslide.
Volcano.
What is this?
Flood.
Volcano.
What is this?
Erosion.
Volcano.
A volcano is:
a slow change.
a quick change.
What is this?
An earthquake.
A flood.
What is this?
A flood.
A landslide.
What is this?
Weathering.
A flood.
Can a flood happen because of rain?
Yes, it can.
No, it can't.
