Question

which sound would have the largest amplitude? a mother singing lullabies to her baby a rock concert a student taking a standardized test a child whispering

Explanation:

Amplitude in sound relates to loudness. A rock concert is very loud compared to the other options (a mother singing lullabies softly, a student taking a test (quiet environment), a child whispering). Loud sounds have larger amplitudes.

Answer:

B. A rock concert