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The 48 Million Vending Machines Currently Operating in the United States

question 307

Multiple Choice

The 4.8 million vending machines currently operating in the United States generate more than __________ in annual sales.


Definitions:

Magnetite

A naturally occurring magnetic mineral, composed of iron oxide, known for its magnetic properties and used in various industrial applications.

Magnetic Lines

Imaginary lines used to represent the strength and direction of a magnetic field.

Force

An interaction that, when unopposed, changes the motion of an object.

Electron Spin

A fundamental property of electrons that gives them a magnetic moment, described as a quantum mechanical phenomenon.

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