The Spread of H

question 7

Multiple Choice

The spread of H. erectus from tropical and subtropical climates into temperate zones was facilitated by all of the following EXCEPT

• A) the harnessing of fire.
• B) living in rock shelters and caves.
• C) blade-toolmaking traditions.
• D) increasingly efficient hunting methods.
• E) the use of animal skins as clothing.

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Definitions:

Economies Of Scale

The cost advantages that enterprises obtain due to their scale of operation, with cost per unit of output generally decreasing with increasing scale.

Monopolist

A solo seller in a market who has significant control over the pricing and availability of a unique product or service.

Profit-Maximizes

The method or approach of modifying production and pricing to secure the maximum achievable profit.

Barriers To Entry

Obstacles that make it difficult for new competitors to enter a market, protecting existing firms from new entrants.