The conversion of thermal energy into mechanical energy requires a
a. thermometer.
b. heat engine.
c. vaporizer.
d. thermostat.

The conversion of thermal energy into mechanical energy requires a b. heat engine. In thermodynamics, a heat engine is a system that converts thermal energy to do mechanical work through mechanical energy. Heat engines are used in a variety of applications such as car engines and power plants.

Maybe c? sorry if im wrong

19 hertz bruh u trippin? ?