Question

which waves are dangerous and destructive ​

Answer 1

Destructive waves are usually found in more exposed bays, where they build pebble beaches. Although a destructive wave's swash is much stronger than that of a constructive wave, its swash is much weaker than its backwash.

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Answer 2

Although surface waves travel more slowly than S-waves, they can be much larger in amplitude and can be the most destructive type of seismicwave.