Answer:
folk dancing is old music and ball room is young dancing
The correct option is C.
When the temperature of an object that is giving off light is increased, the particles in the object will move at a faster rate and there will be increased vibration of these molecules. This will makes the object to emit more light and to shine more brightly. Thus, the higher the temperature, the brighter the light that will be emitted.
It’s 25 because I already took the testing
The formula F=velocity/wavelength
F=24/2
F=12 Hz
