When your food is placed under a warming light in a fast food restaurant, which type of electromagnetic waves are most likely used to keep your food warm?

Infrared light

Explanation:

They can be used to heat up food and are often used in fast food restaurants.

The food needs heat shining on it to keep it warm.

Heat electromagnetic rays are called "infra-red radiation".

Explanation:

there are so many examples for that in different areas, like biology experiment carried out in our lab recently.

here's one link:

the answer is a) cell division.

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