Classification of human races is_____________________?
Correct answer: B. vague because of overlap of traits
- A. clear-cut
- B. vague because of overlap of traits
- C. restricted to skin color
- D. done according to physical appearance
Explanation
Human racial categories are not sharply separated because physical traits overlap among populations and vary gradually. They therefore cannot be classified reliably by one feature such as skin color alone.
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Individual consumers, firms and markets are examined through demand and supply, elasticity, consumer choice, production, costs, revenue and the determination of prices and output. The topic also covers market structures such as perfect competition, monopoly and oligopoly, plus market failure, externalities and the distinction between microeconomic decisions and economy-wide outcomes.
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