The electromagnetic spectrum

Easy

The diagram shows the regions of the electromagnetic spectrum ordered by increasing wavelength from left to right.

Electromagnetic Spectrum

Which row correctly identifies the regions $X$ , $Y$ , and $Z$ ?

$X$ : microwaves, $Y$ : ultraviolet, $Z$ : gamma rays

$X$ : gamma rays, $Y$ : ultraviolet, $Z$ : microwaves

$X$ : gamma rays, $Y$ : microwaves, $Z$ : ultraviolet

$X$ : ultraviolet, $Y$ : gamma rays, $Z$ : microwaves

The electromagnetic spectrum Questions