Will be letter E cause all of them can combine molecule
Answer:
the newspaper one is a chemical change because the chemicals in the paper have reacted with something and turned a different color. the wax one is a physical change because it is a change in the phase of matter, which is always a physical change (still the same substance chemically)
Chemical is the answer your looking for.
Your answer would be, Gas atoms subjected to the electricity emit bright lines of light.
Hop that helps!!!
