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Improvements in the Quality of Consumer Goods and Services Over

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Improvements in the quality of consumer goods and services over time


Definitions:

Atom

The smallest unit of a chemical element, consisting of a nucleus of protons and neutrons, surrounded by electrons.

Negative Charge

A type of electrical charge characterized by the presence of more electrons than protons in an atom or molecule.

Electron

A subatomic particle with a negative charge, fundamental to electricity and chemical bonding.

Light

Electromagnetic radiation that is visible to the human eye, with wavelengths approximately between 380 and 750 nanometers.

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