Question

1. what causes a tsunami?

a. displacement of water due to an earthquake or volcanic eruption.
b. a massive storm out at sea.
c. a cyclone that originates off the coast.
d. heavy rains just inside the coastal region.

1. true or

Explanation:

A tsunami is caused by the displacement of water due to an earthquake or volcanic eruption. A massive storm out at sea (b) causes a storm surge, not a tsunami. A cyclone that originates off the coast (c) is a tropical cyclone, not a tsunami cause. Heavy rains just inside the coastal region (d) cause flooding, not a tsunami.

Answer:

A. Displacement of water due to an earthquake or volcanic eruption.