__ 5. An example of thermal energy is A. glucose B. noise from a jet engine C. heat from your furnace vent D. a sweater

C. heat from your furnace vent<br /><br />Thermal energy is the internal energy of an object due to the kinetic energy of its atoms and/or molecules. Heat from a furnace vent represents the transfer of that thermal energy. The other options are not examples of thermal energy itself.<br />