Question: If you scrape an object, small pieces or particles may break off of the object; what's an example of this?
Choices:
text: rubbing an emery board across your nail
label: A
text: rubbing a cloth over a counter
label: B
text: using a towel after you shower
label: C
text: wiping your chin after drinking some milk
label: D
Answer: A
Fact: scraping an object may cause small particles to break off of that object