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question 72

Multiple Choice

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Definitions:

States

Different forms in which matter can exist, typically observed as solid, liquid, gas, and plasma.

Solid

A state of matter characterized by particles that are closely packed together, resulting in a fixed volume and shape.

Liquid

A state of matter characterized by a definite volume but no fixed shape, conforming to the shape of its container.

Direct Current

An electric current that flows in a single direction steadily, commonly used in batteries and DC power supplies.