Answer:
first one is k second one is g
Explanation:
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.
Answer:
A.
Explanation:
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Explanation:
sensorineural hearing loss
Explanation:
Velocity is a vector quantity. Velocity = speed +direction.
In this problem, we can say that any time during their trip their velocity was -20 m/s. It is due to the above reason that the velocity is a vector.
When the displacement of the object is negative, the average velocity will be negative.
For example, when an object moves in the negative direction, it will have negative velocity.
