Which observation would be evidence that heat was transferred by radiation?

Radiation is a type of heat transfer wherein there is no need for medium or media through which the heat will flow. Consequently, the radiation waves are able to travel through vacuum. The best observation as evidence to conclude that heat is indeed transferred by radiation is the increase of temperature of the receiving body. 

True because work is more professional and you need specific skills. in your personal life you need different skills such as maintaining relationships.