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