_____ Cables Are Glass Tubes Surrounded by Concentric Layers of Glass,called

question 76

Multiple Choice

_____ cables are glass tubes surrounded by concentric layers of glass,called "cladding," to form a light path through wire cables.

• A)Twisted-pair
• B)Copper line
• C)Air-spaced coaxial
• D)Fiber-optic

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Definitions:

Scientific Method

A systematic process of inquiry involving observation, experimentation, and hypothesis testing to gather empirical evidence and establish facts.

Experimental Research

A systematic and scientific approach to research in which the researcher manipulates one or more variables to determine their effect on a certain outcome.

Survey Research

A method of gathering data from a predefined group of respondents to gain information and insights on various topics of interest.

Comparative Historical Research

A methodology in social science that involves the study and comparison of historical events to understand societal trends and transformations.