Question

The reference standard used for defining
atomic mass is
A
H-1
B
C-12
с
C-13
D
C - 14​

Answer 1

Answer:

c-12 is used for it offcaurse please make me brainlist

Answer 2

Answer:

C-12

Explanation:

Atomic mass isdefined as a multiple of one twelfth the mass of the carbon- 12atom