Question: If someone is experiencing frequent falls
Choices:
text: they should move out of their house
label: A
text: they should just stop trying to walk
label: B
text: they should try wearing slicker bottomed shoes
label: C
text: they should try putting down carpet or throw rugs
label: D
Answer: D
Fact: as the smoothness of something increases , the friction of that something will decrease when its surface moves against another surface