The following questions consist of two statements Statement I and Statement II Statement I Tsunami ...........

Environment and Ecology (Easy) Environment

The following questions consist of two statements, Statement I and Statement II.

Statement I Tsunami is small in Open Ocean yet may be over 30 m high when it reaches a coastline.

Statement II Tsunamis have long wavelength and they travel across the open ocean at high speed. As they approach shore, the wavelength decreases and the wave height increases.

Both the statements are individually true and Statement II is the correct explanation of Statement I

Both the statements are individually true but Statement II is not the correct explanation of Statement I

Statement I is true, but Statement II is false

Statement I is false, but Statement II is true

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Explanation:

Tsunami: A tsunami or tidal wave is a series of waves in a water body caused by the displacement of a large volume of water, generally in an ocean or a large lake. Earthquakes, volcanic eruptions and other underwater explosions above or below water all have the potential to generate a tsunami. While not the largest tsunami ever recorded (that title goes to the 1958 Lituya Bay tsunami, which reached over 1,700 feet high), the sheer devastation caused by the 2004 Indian Ocean tsunami make it the worst tsunami ever.