In the open ocean, tsunami can travel ________ miles per hour with periods up to_________ minutes

In the open ocean, tsunami can travel ________ miles per hour with periods up to_________ minutes

Q. In the open ocean, tsunami can travel ________ miles per hour with periods up to_________ minutes.

A.            50; 20

B.            50; 60

C.            485; 20

D.            485; 60

Answer: 485; 60

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