They transfer energy. Not sure what your choices are but this is a common question
d. none of the above
pressure affects volume not the other way round
None of the choices in the picture is correct.
The blue wave has a higher pitch than the orange one, (because its waves are shorter so there are more of them in the same length of time).
AND the blue wave is also louder than the orange one, (because the amplitude of its waves is slightly greater).
Answer:
Increasing its mass to three times its original value.
Explanation:
