Answer:
The energy transformation that occurs when a person exercise is thermal energy transformed into electrical energy. The correct option is 4.
Exercise is a physical activity in which the body works at high intensity, and this workout makes the body fit by reducing fat from the body. Exercise includes running, walking, gym, etc. When the body workouts, it releases thermal energy or heat energy, and the heat energy is converted into mechanical energy.
mechanical energy is produced when an object's kinetic and potential energy are combined.