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A Data Model Is a Logical Representation of the Structure

question 8

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A data model is a logical representation of the structure of the data.


Definitions:

Acid

Substances that release hydrogen ions (H+) when dissolved in water, characterized by their sour taste and the ability to turn litmus paper red.

Oxidized

The state of a molecule that has lost electrons, often associated with a gain of oxygen or loss of hydrogen.

Reduced

In chemistry, it refers to the gain of electrons by a molecule, atom, or ion.

Oxidized

The process by which a substance loses electrons, often associated with the gain of oxygen or loss of hydrogen, in chemical reactions.

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