500
1. How do floods and mudslides change the land quickly?
2. How do Tsunamis change the land quickly?
What is heavy rains bring lots of water and it can't always be absorbed by the land? When this happens, the water runs on top of the land and can cause flooding or a mudslide to occur.
2. What is Tsunamis are usually caused by earthquakes on the ocean floor. They are huge waves that can travel at great speeds and when they hit land they cause large amounts of rocks, soil, and other materials to be moved rapidly.