select the correct answer. what has alternating electric and magnetic fields that travel in the form of a…

Brief Explanations:

Electromagnetic radiation consists of alternating electric and magnetic fields that propagate in the form of waves. An electromagnet is a magnet whose magnetic field is produced by an electric - current. Alternating current is an electric current that periodically reverses direction. Direct current is an electric current that flows in one direction. Static electricity is an imbalance of electric charges within or on the surface of a material.

Answer:

B. electromagnetic radiation