Answer:
Thermal
Step-by-step explanation:
- Any material showing heat conductivity is may be categorized as thermal as all matter like solids, liquids and gases have heat conductivity and conduction is the flow of heat from within the body.
- Hetal has high heat and thermal conductivity, gases have poor molecular heat conductivity. Thus for a steady state of convection take place the conductivity constant or K has to be kept in mind.
- The properties of thickness, time and direction are known as conductivity constant. Electrical, magnetic and mechanical properties of matter are also significant factors that can raise the body heat of the substance. So for heat to exchange and energy to create from one body to the other, there has to be a thermal mechanism involved.