Answer:
C
Step-by-step explanation:
the third letter of the alphabet.
denoting the third in a set of items, categories, sizes, etc.
denoting the third of three or more hypothetical people or things.
the third highest class of academic grades.
"he scraped along with C's and D's in most subjects"
chess
denoting the third file from the left of a chessboard, as viewed from White's side of the board.
the third fixed constant to appear in an algebraic expression, or a known constant.
denoting the lowest soil horizon, comprising parent materials.
a shape like that of a letter C.
"C-springs"
music
the first note of the diatonic scale of C major, the major scale having no sharps or flats.
a key based on a scale with C as its keynote.
the Roman numeral for 100.
a high-level computer programming language originally developed for implementing the UNIX operating system.
