B. !!! no other answer choices have to do anything with health
Answer:
cell, tissue, organ, organ system
Explanation:
is the right structure because cell is the smallest and creates tissues then group of tissues forms organs and a group of organs are organ system
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.
