There are three main components needed to make a complete circuit. First, a power source is need, such as a battery. Next, you will need something that will take in the power. This can be anything like a heating coil, or light bulb, etc. Then you need the wiring that will connect to the object and receive power.
Yellowstone National park , the West's oldest national park, is the site of Old Faithful.
hope this helps!!!
Universality is the correct answer
we should have like a wrist tracker that tracks both sleep and activity which will help a lot with knowing people schedule
B. a star at the center of our solar system