Answer:
Waves carry energy from one place to another. Because waves carry energy, some waves are used for communication, eg radio and television waves and mobile telephone signals. There are many types of waves including sound waves, water waves and all the parts of the electromagnetic spectrum.
Explanation:
Co carbon monoxide
sorry friend i don't know other ones
C
Because in my opinion they do bending of a light wave as it passes at an angle from one medium to another.