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1. How earth changes quickly
How does earth change?

2. 1) Volcanoes
 It is a mountain with an opening at the top
 It can explode and a very hot liquid pours out of
this opening.

3. 2) Earthquakes
 It happens when the earth layers are shaking.

4. 3) Floods
 It happens when very heavy rain falls and the
water is covering the ground.

5. 4) Landslides
 Land and rocks fall from a high place to a lower
place.