The Grading System
Why does the American school system grade with A, B, C, D, and F, but not E? Why did they skip that letter? Why not just grade with numerical percentages in the first place?
Mispronouncing Words
The word "caramel" has an "a" in the middle, yet most Americans pronounce it like "carmel." Why? This issue comes up in language all the time. "Crayon" or "Cran"?