You are presented with the question "Something that converts heat energy to mechanical energy is categorized by what scale?" and the following answer choices: 
- engines
 - dangerous
 - supersonic
 - Energy.
 - electricity
 - a hydraulic system
 - kinetic energy
 - Saffir-Simpson

Now knowing that hurricanes convert heat energy into mechanical energy and hurricanes are categorized by the Saffir-Simpson Scale, choose the best answer.


 

        Saffir-Simpson 