Answer:
B. a light bulb burned out and "closed" the circuit.
Explanation:
Unscrew one bulb. If the other bulbs turn off, it is a series circuit. A light bulb glows when electrons flow through it. As the electron flow increases, the brightness increases.
When lights are attached in parallel, each light is on its own circuit to the power source. If one filament burns out, it has no effect on the remaining lights, as they each continue to be in a closed circuit with the power source.
D thought the cranial nerves that attach to it the spinal cord is involved in sensory and motor inner action of the head and neck
<span>Hormones are protein-based substance that are secreted by endocrine glands. They serve as a way to transport information from one part of the body to another in order to regulate.</span>
