It Is Commonly Assumed That American Household Appliances Operate on 120

question 10

Multiple Choice

It is commonly assumed that American household appliances operate on 120 volts, but it is economically advantageous to operate larger heating devices, such as electric kitchen ranges and high-Btu air conditioners, on a higher voltage, namely, ____ V.

• A)180
• B)220
• C)240
• D)250

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Definitions:

Layers Deposited

Stratified accumulations of materials such as sediments, volcanic ash, or ice, that settle and build up over time.

Youngest Layer

the most recent geological layer, usually found at the top of a sequence in stratigraphy.

Oldest Layer

Pertains to the earliest or first-formed layer of sediment or rock in a sequence, indicating the earliest period of deposition.

Numbered Units

Quantitative values assigned to items or units in order to denote quantity, order, or position.