Answer:
C) Are caused by earthquakes, undersea volcanic eruptions, or anything else that displaces a lot of water in a hurry.
Step-by-step explanation:
Tsunamis are the giant ocean waves that are caused by undersea volcanic eruption, asteroid, earthquake, underwater landslide, volcanic eruption, etc. The coastal areas of a country are more prone to the destruction brought by the tsunamis. The speed of the tsunamis can travel 20-30 miles per hour and its heights varies from 10 to 100 feet high.