For this case, we have the expression:
![\frac {b} {c} = \frac {b} {c}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/t9umygja7pkupzteljh27ldqrdufrlsm0l.png)
![c*b=c*b\\(c*b)/(c*b)=1\\1=1](https://img.qammunity.org/2020/formulas/mathematics/middle-school/3p6p9p0r2psh1degf1ew1ud7e9k0a04u42.png)
It is an example of identity.
Equality is met, the term that is on the left side of equality is identical to the term on the right side.
Identity property of the sum:
![\frac {b} {c} + 0 = \frac {b} {c}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/cljbbda0471zwp4j6dyvo6oxqyoiqz80tj.png)
Identity property of multiplication:
![\frac {b} {c} * 1 = \frac {b} {c}](https://img.qammunity.org/2020/formulas/mathematics/middle-school/60h0jd4f9bw8f3zta8zr0yt6lgwbe6x35p.png)
ANswer:
Identity
Option B