What is the principle of charge quantisation?​

i believe the answer would be:

d. violin, clarinet, french horn, and tuba

molecules are free to separate from each other and will take on the shape of the container. molecules move completely at random and high speeds. they vibrate in a fixed position and do not move around much. molecules expand to the edge of their container.

it was given as a lesson and guide for prayer.

answerscientific theory;