Shortly Before 1500, the Process of Smelting ________ Was Discovered

question 21

Multiple Choice

Shortly before 1500, the process of smelting ________ was discovered.

• A) steel
• B) bronze
• C) copper
• D) iron

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Definitions:

Demand Function

An equation that describes the relationship between the quantity of a good consumers are willing to buy and the price of the good.

Tickets

Documents or electronic vouchers that grant the holder permission to enter a place, travel on a vehicle, or participate in an event.

Marginal Revenue

The additional income received from selling one more unit of a good or service.

Demand Curve

A graph showing the relationship between the price of a good and the quantity of the good that consumers are willing and able to purchase at various prices.