The Electromagnetic spectrum is made up of
sound waves and light waves

only light waves that you can see

light waves you can see and waves of higher energy radiation

light waves you can see and waves of both higher and lower energy radiation

Question

The Electromagnetic spectrum is made up of
  sound waves and light waves 

  only light waves that you can see 

  light waves you can see and waves of higher energy radiation 

  light waves you can see and waves of both higher and lower energy radiation

anonymous · Answer

anyone know?

anonymous · Answer

A will be correct, as light waves can detach its components into ROYGBIV by spectrum in a glass, that is, Red, Orange, Yellow, Green, Blue, Indigo and Violet.
Sound waves are not seen as they are mechanical and do not reflect any atom of visibility , at least for our naked eye.

anonymous · Answer

thank you, could you help me with another one

anonymous · Answer

Sure, please spit the question out.

anonymous · Answer

When all colors of the light spectrum are present we see
  
nothing 

  white light 

  dark blue light 

  red light

anonymous · Answer

Hello, forgive my tardiness in the first place.

anonymous · Answer

Given the colours that I have mentioned above, the only one visual is red light.
It is the white light that when initially see, split in the spectrum to ROYGBIV.