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Choose from which of the following will not be the cause of the Tsunami?
A. Earthquake
B. Volcanic eruption
C. Lightning
D. A major nuclear explosion undersea

Answer
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Hint:
 A tsunami is very different from a wind-generated surface wave on the ocean. A tsunami usually looks like a wall of water and that can attack the shoreline and be very dangerous for hours as waves come every 5 to 60 seconds.

Complete answer:
A tsunami is caused by the sudden movement in the surface of the ocean because of an earthquake, landslide in the seafloor, volcanic eruption, or whenever a meteorite impacts the ocean which could lead to tsunami. A tsunami is very different from a wind-generated surface wave on the ocean. A tsunami usually looks like a wall of water and that can attack the shoreline and be very dangerous for hours as waves come every 5 to 60 seconds. The very first wave which comes to the shoe is not very large but the waves after that may be 2nd, 3rd, or 4th can be very large and dangerous. As the first wave comes it would take away flood inlands and a person can easily see the seafloor that is being exposed. But when the next waves come it would come with all the in=teams that have taken up with it when it came and all of it would be floating. It is very easy for a wave to destroy a ship or bore the travel inland as it can form into tsunamis. As we know that earthquakes, Landslides, Volcanic eruptions, and a Major nuclear explosion under the sea can lead to tsunamis as a tsunami can only take place when the land would slide and it would have a movement in plates.

Hence, the correct answer is option C.

Note:
Tsunami can be very dangerous and harmful to mankind. As even a fall of a large rock in the ocean can lead to a tsunami.