Which One of the Following Is True of Most Tsunamis

question 11

Multiple Choice

Which one of the following is true of most tsunamis?

• A)They are faster than seismic surface waves.
• B)Their wave heights decrease and wavelengths increase as they move into shallower water.
• C)They are usually started by sudden movement on a megathrust fault, and have wavelengths that are many kilometers long and wave heights of less than a meter.
• D)They only occur in the Pacific Ocean basin.

---

Definitions:

Counter Instruction

In programming, it is a command or function that counts occurrences, often used in loops or to track the number of events.

Done Bit

A control bit that indicates the completion of an operation in programmable logic controllers or other digital systems.