What is a characteristic of a tsunami?
a. Deep-water waves
b. Long wavelengths
c. Standing waves in the open ocean
d. Oscillations near coastal areas
ANS: B
Tsunamis are cause by the rapid displacement of ocean water. These waves have long wavelengths and
are shallow-water waves. They can be initiated by vertical movements along faults, landslides,
volcanic eruptions, and even asteroid impacts. Information can be found in the section Water
Displacement Causes Tsunamis and Seismic Sea Waves
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Answer the following statement true (T) or false (F)
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