Answer:
Radiation
Step-by-step explanation:
Radiation is one of the process of transfer of heat. No medium is required in this process. In this problem, the method of heat transfer by radiation is used. No medium is required for transfer of heat. A home receiving a lot of exposure from the sun will benefit from the heating effects of sunlight if there is a lot of glass in the home's design. Hence, the correct option is (4) "radiation".