Semiconductors,such as the Element Silicon,may Be Used in Cells That

question 42

Multiple Choice

Semiconductors,such as the element silicon,may be used in cells that convert solar radiation to electricity.One of the major difficulties encountered in using silicon is that it

• A)is one of the rarest of all elements and therefore difficult to find on earth.
• B)is expensive to produce large quantities of extremely pure silicon.
• C)quickly evaporates when isolated in a pure state.
• D)is the most active of all the elements,so it cannot be prepared in a pure state.

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Definitions:

Signs

Symbols or objects that convey meaning beyond their immediate, literal sense, often used in communication.

Symbol Systems

Complex sets of symbols and meanings that are used by societies to communicate, interpret, and understand the world around them.

Linguistics

The scientific study of language and its structure, including the study of morphology, syntax, phonetics, and semantics.

Postmodern Theory

A theory that distrusts grand narratives and ideologies, focusing on the relativistic nature of truth and emphasizing the role of language, power relations, and cultural norms.