Q: Answer this question:

what is the snellen letter chart is commonly used for??

A: to measure visual acuity

Q: Answer this question:

who plays mrs thatcher in when calls the heart??

A: Erin Krakow

Q: Answer this question:

who is the narrator in disappeared on id??

A: Christopher Walker

Q: Answer this question:

who wrote can't get you outta my head lyrics??

A:
Cathy Dennis