The physician used the technique of percussion by:
a. listening with a stethoscope.
b. pressing into the body with the tips of the fingers.
c. tapping with the fingers over a body cavity.
d. visually examining the body.

C. tapping with the fingers over a body cavity

Make a decision because you before you make a decision you have to know what it’s about and do reasearch

That's  a project for you to do. btw your teacher probably uses a plagiarism detector and if you do copy anything on this site she/ he will find out and instead of getting a good  or bad grade you'll  get a 0 no exceptions, and they'll  probably call ur parents. so do some research ask friends and fam to you.