When consuelo struck a tuning fork and held it close to a string on a guitar the string began to vibrate on its own and make a sound which statement best explains why the string vibrated without anyone touching it

Which of these has happened to your food by the time it reaches your small intestine? a. all the macromolecules have been broken down completely. b. lipids and starches have been partially broken down. c. starches and proteins have been partially broken down. d. proteins and lipids have been broken down into subunits.