Question

What is a tsunami?
a. A tidal wave
b. A series of ordinary waves
c. A light seen at sea
Which natural disaster leads to a tsunami?
a. Thunderstorm
b. Underwater earthquake
C. Hurricane​

Answer 1

Explanation:

Earthquakes, volcanic eruptions and other underwater explosions (including detonations, landslides, glacier calvings, meteorite impacts and other disturbances) above or below water all have the potential to generate a tsunami.

Answer 2

Tsunami is a series of ordinary waves.
An underwater earthquake leads to a tsunami.

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