All Tells All by Vaughn M. Bryant 21. The following question has two parts. First, answer Part A. Then, answer Part B.
Part A
Which sentence sunimarizes a central idea in "A Scratch Tells All"?
A The benefits of farming outweigh any possible negative effects.
B Science and history reveal that diet strongly affects tooth decay.
celhe creation of refined sugar created worldwide health problems.
D Tooth decay has decreased significantly since the prefarming era.
Part B
Which quotation supports the answer to Part A?
A "Didn't farming end starvation and famine? Didn't it free us from having to wander the land
looking for our next meal?" (paragraph 2)
B "Wear patterns, scratch marks, and dental decay all tell a story about the foods we eat and how
they were prepared." (paragraph 6)
C "The most significant change in the teeth of early farming communities is the number and types
of cavities." (paragraph 7)
D Certainly, we cannot go back to being nomads, but we can learn to eat nutritious dicts and save
out teeth."
(paragraph 8)