Which Social Class Is Identified by Its Contribution of Specialized

question 27

Multiple Choice

Which social class is identified by its contribution of specialized knowledge to the economy?

• A) working class
• B) middle class
• C) capitalist class
• D) underclass

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Definitions:

KBr

Potassium bromide, a chemical compound consisting of potassium (K) and bromine (Br), used mainly in photography and in medication.

AgBr

Silver bromide, a chemical compound used in photographic films and papers.

Lead(II) Nitrate

A white to colorless crystalline chemical compound used in making other lead compounds and some pyrotechnics.

Sodium Chloride

A white crystalline compound known as table salt, widely used in food seasoning and preservation; its chemical formula is NaCl.