Answer:
1. sound waves
2. eardrum vibrates
3. the bones in the middle ear amplify
4. the hair cells move up and down
It is the "Head of Akkadian Ruler".
My answer would be B, because studying is the better way know more deeper about how to start working, so if you want an employ and you have a degree it's easiest than when you don't have it, now there are people that not even studied and they are rich, but this doesnt apply for all the cases.
Intervals
I think I'm a rookie