What's an electron transitions involves a photon emitting the least amount of energy?

An electric current in a wire will push or pull on a permanent magnet. which statement best explains how an electric current creates an electromagnetic force on another magnet?

Explain to someone who knows nothing about fossils the study of invertebrate paleontology and how it scientists understand the history of the earth. be sure your explanation contains a minimum of two complete sentences.

Use the right-hand rule for magnetic force to determine the charge on the moving particle. this is a charge.