Describe alternating current and direct current. include two ways that they are alike and one way that they are different.

Here is your

1. A alternating current is a current "is an electric current which periodically reverses direction." A direct current is a "current which flows only in one direction."

2. They are alike because both are "they both are able to travel in different directions." How they are not alike is that a "alternating current travels in a reverse direction but a direct current can only travel in one direction each current."

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The particles of the gas inside the ball heats up, bouncing off each other and spreading farther apart.hope my answer has you : )

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