The electromagnetic spectrum<span> is a continuum of all</span>electromagnetic waves<span> arranged according to frequency and wavelength. The sun, earth, and other bodies radiate </span>electromagnetic<span> energy of varying wavelengths. </span>Electromagnetic<span> energy passes through space at the speed of light in the form of sinusoidal</span>waves<span>.</span>
It probably contains information on the final exam like the day the exam is, the time the exam is, what you need to bring, what not to bring, rules, how long you'll have to take the test, etc.
Modern language association
The heart shape is the universal symbol of romantic love
