All of the different types of electromagnetic radiation (light, x-rays, ultraviolet radiation, and so on) make up the Question 15 options:
spectral lines.
sunlight.
atomic spectrum.
electromagnetic spectrum.

The other types of EM radiation that make up the electromagnetic spectrum are microwaves, infrared light, ultraviolet light, X-rays and gamma-rays.

d is correct

hope it helps please give brainliest

D)

Explanation:

The electromagnetic spectrum comprises the span of all electromagnetic radiation and consists of many subranges, commonly referred to as portions, such as visible light or ultraviolet radiation.

it's all four options.