The flow of heat should be from hot to cold as heat always flow through the higher thermal potential to lower thermal potential on its own unless some external work is provided by mean of any external machine, therefore the correct option is from hot to cold.
What is thermal energy?
It can be defined as the form of the energy in which heat is transferred from one body to another body due to their molecular movements, thermal energy is also known as heat energy.
Thermal energy can be produced with help of various means such as by burning fossil fuels, with the help of solar energy.
The flow of heat should be from hot to cold as heat always flow through the higher thermal potential to lower thermal potential on its own unless some external work is provided by mean of any external machine, therefore the correct option is from hot to cold.
Learn more about thermal energy from here
https://brainly.com/question/3022807
#SPJ5
