Answer:
a) large powerful wave caused by an earthquake
Explanation:
took the test
A tsunami is a large powerful wave caused by an earthquake.
A tsunami is a powerful wave in a water body as a result of displacement of a large body of water. Causes of a tsunami are earthquakes and volcanic.
Effects of a tsunami includes:
To learn more about tsunamis, please check: https://brainly.com/question/20989855