Which is an example of the electromagnetic force? a. A compass needle points north toward Earth’s magnetic pole.
b. An iron nail rolls off a table and falls to the ground.
c. The moon pulls on the water in Earth’s oceans, causing tides.
d. Protons that make up a nitrogen atom stay together in the nucleus.

does anyone know or what?

what experimental evidence led scientists to change from the previous model to this one?

a few of the positive particles aimed at a gold foil seemed to bounce back.

the colors of light emitted from heated atoms had very specific energies.

experiments with water vapor showed that elements combine in specific proportions.

cathode rays were bent in the same way whenever a magnet was brought near them.

d. platinum would have the greatest temperature increase because it has the lowest specific heat.