A tourist hung a pot of water over the fire. In what way will the kettle, water and a tourist sitting by the fire be heated?

The pot will be heated by heat conduction, water by convection, the tourist by radiation.

Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.