Brody and Ethel are arguing about waves. Brody says that waving his hand back and forth is a scientific wave. Ethel says that it is not. Which statement best describes who is correct?
Answer
A
Brody is correct because the wave involves an input of energy.
B
Ethel is correct because energy is not carried from one place to another.
C
Brody is correct because the pattern repeats.
D
Ethel is correct because the motion has no pattern.