Explanation:
Gamma Rays --> Given off by radioactive substances; Gamma rays are penetrating from of electromagnetic radiation that arises from radioactive decay.
Microwaves --> Used in radar and to heat food; A microwave oven eats food by passing microwave radiation passed through it.
Ultraviolet light --> Given off by very hot objects, such as the sun; The Sun is a source of the full spectrum of ultraviolet radiation.
X rays --> Used in the medical field to see bone structure; x-ray exams create an image by passing x-rays through the body
