Author Question: As the first wave of a tsunami retreats from the shore, bystanders should expect a second wave ... (Read 78 times)

naturalchemist · **on:** Jul 13, 2018

As the first wave of a tsunami retreats from the shore, bystanders should expect a second wave within approximately ____.
a. 15 minutes
b. two minutes
c. one hour
d. twelve hours
e. two days

Question 2

When a tsunami wave passes an island surrounded by shallow water, ____.
a. the effect of the tsunami will be greatest on the near side of the island, but will affect the whole island
b. the effect of the tsunami will be greatest on the far side of the island, but will affect the whole island
c. the tsunami will affect the half of the island facing the wave, but leave other areas untouched
d. the tsunami will affect the half of the island facing away from the wave, but leave other areas untouched
e. the effect of the tsunami will be spread evenly around the island