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