What are electromagnetic waves

Electromagnetic waves are formed when an electric field comes in contact with a magnetic field. They are hence known as 'electromagnetic' waves.

Explanation:

they are basically electromagnetic radiation which refers to the electromagnetic field. they propagate through space carrying electromagnetic radiant energy. they include radio waves, microwaves, infrared waves, light, ultraviolet, x-rays, and gamma rays.

i think its control and coordinate because im pretty sure thats what tissue does and the joints are what control movement and then your skeletal/ bones provides portection. hope that .

the elements of art are the visual tools that the artist uses to create a composition. these are line, shape, color, value, form, texture, and space.

the principles of art and design are balance, contrast, emphasis, movement, pattern, rhythm, and unity/variety.