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18. Consider the following three forces: gravity, electromagnetic, and strong nuclear. Which of these is responsible...

18. Consider the following three forces: gravity, electromagnetic, and strong nuclear. Which of these is responsible for holding nuclei together and which is responsible for holding electrons in their orbits?

A) Gravity holds electrons, while the strong nuclear force holds nuclei together.

B) Gravity holds electrons in their orbits and nuclei together.

C) Gravity holds electrons, while the electromagnetic force holds nuclei together.

D) The strong nuclear force holds electrons, while the electromagnetic force holds nuclei together.

E) The electromagnetic force holds electrons, while the strong nuclear force holds nuclei together

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