I think the first one is right !.... but the for the other one it's B .
54150
The patience is having the circumcision preformed with a ring device (other device) guiding you in selecting code 54150. It is inappropriate to code 64450 with 54150 since penile block is included and stated in code description
Answer:
The smallest unit of matter is an atom.
Explanation:
It is an atom because an atom is the smallest thing, that has weight and takes up space.