Answer:
Electromagnetic waves do not require a medium in order to transport their energy. Mechanical waves are waves that require a medium in order to transport their energy from one location to another. ... Sound is a mechanical wave and cannot travel through a vacuum.
its B 0.225kPa using the formula p=f/A then change the pascals into kpa
Ok I don’t know the answer I’m in 5th grade but 2431 is wrong
Answer:
i don't know but i hope you get it right
Explanation