Answer:
B. Underwriters' Laboratories, Inc.
Explanation:
The Underwriters' Laboratories, Inc. conducts all kinds of security certifications, including electrical equipment, that's why you see the circular UL Certified logo on every electrical device sold in the US, including all electronic devices.
The National Fire Prevention Association develops standards for electricity installations in the workplace, the National Electric Code (for buildings) and other similar.
The National Electrical Manufacturers Association sets norms for the generation and transportation of energy, for the power providers.
Certified Ballast Manufacturers is just an association of electric ballast makers.
The lowest volume level that a person could detect
The answer is B New oceanic crust is formed at mid-ocean ridges, pushed away from the ridge, and destroyed at deep-sea.
It depends on what other careers you're talk about, they get paid a little lower than what teachers get paid by about ten thousand, so I'd say that the answer to your question is true. Hope this helps! :-)