Wave a has a higher amplitude than wave b, but all their other characteristics are the same. this means that a. wave a has more energy than wave b. b. wave b has more energy than wave a. c. wave a and wave b have the same amount of energy. which of the following are dangerous mostly because of their amplitude? a. x-rays b. tsunamis c. ripples on a pond d. uv rays from the sun

Wave A has a higher amplitude than wave B, but their
other characteristics are all equal. This means that 
Wave A is carrying more energy than wave B.  (cherce-A)

Tsunamis and ripples on a pond are the same physical
phenomenon. But a tsunami is dangerous to human society
whereas ripples on a pond aren't.  The difference is almost
entirely due to the difference in their amplitudes, which in turn
is the result of the difference in the amounts of energy that
each carries.  (cherce-B)

It equals just about 6,300 km per hour each day an week