Read the passage from "The Power of Carrots.” Drilling holes lengthwise through carrots of different sizes creates wind instruments, such as flutes, recorders, rudimentary clarinets, and pipes. The pipes are easy to make because they use several carrots fastened together, but each carrot needs only one hole and produces a single note. For instruments that play more than one note, it is necessary to cut holes from the side of the carrot into the drilled part. Covering and uncovering these holes with your fingers causes the sound to vary in pitch. Which text structure does the paragraph use? A cause and effect B chronological order C comparison and contrast D problem and solution