Answer :
Final answer:
Energy can be transferred through a vacuum by radiation only.
Explanation:
The correct answer is a. radiation only.
Energy can be transferred through a vacuum by radiation. Radiation is the transfer of heat through electromagnetic waves, such as light or infrared radiation. It does not require a medium to transfer heat, so it can occur in a vacuum.
Examples of energy transfer through a vacuum by radiation include the heat from the Sun reaching the Earth or the heat transferred from a hot iron to your hand without direct physical contact.
Learn more about Energy transfer through a vacuum here:
https://brainly.com/question/33725423
#SPJ11
