Answer the following question given this paragraph: 

Electromagnetic waves may also be absorbed by matter and converted to other forms of energy. Microwaves are a familiar example. When microwaves strike food in a microwave oven, they are absorbed and converted to thermal energy, which heats the food.


Q: Microwaves are converted into what kind of energy in a microwave oven?

 Choices:

- solar energy

- mechanical energy

- light energy

- thermal energy

A:
thermal energy
