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:

about 40,000,000 results (0.81 seconds)  

search results

what do the different brain waves do?

explanation:

brainwaves are produced by synchronised electrical pulses from masses of neurons communicating with each other. brainwaves are detected using sensors placed on the scalp. brainwave speed is measured in hertz (cycles per second) and they are divided into bands delineating slow, moderate, and fast waves.

b) the inside picture would look at a very high temperature in a very low ph