________ Is (Are) Protected by Barriers to Entry, Specifically ________

question 40

Multiple Choice

________ is (are) protected by barriers to entry, specifically ________.

• A) State lotteries; government rules
• B) DeBeers Company; economies of scale
• C) Cable companies; patents
• D) All of the above are correct.

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Definitions:

Potassium

A soft, silvery-white metallic element, very reactive, especially in water, and essential for plant and animal life.

KCl

KCl, known as potassium chloride, is a metal halide salt composed of potassium and chlorine, used in medicine, food processing, and as a fertilizer.

Moles

A unit of measure in chemistry that represents 6.022 x 10^23 particles of a substance.

Li

The elemental symbol for Lithium, a soft, silver-white metal belonging to the alkali metal group.