Final answer:
A tsunami is a series of sea waves caused by an underwater earthquake, landslide, or volcanic eruption. Contrary to the given options, a tsunami wave does not only affect the surface of the water.
Step-by-step explanation:
A tsunami is a series of sea waves caused by an underwater earthquake, landslide, or volcanic eruption. While all of the given facts are true about a tsunami wave, the fact that it only affects the surface of the water is false. Tsunamis can reach deep into the ocean and can cause devastating damage when they reach the coast.