Superconductivity Occurs in Certain Substances

question 13

Multiple Choice

Superconductivity occurs in certain substances

• A) only at very low temperatures.
• B) only at very high temperatures.
• C) at all temperatures.
• D) only when they are in the liquid state.

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Definitions:

Price Ceiling

A government-imposed limit on how high a price can be charged for a product, commodity, or service.

Price Floor

A government or regulatory imposed minimum price for goods or services, intended to prevent prices from falling too low.

Surplus

An excess of income or assets over expenditure or liabilities in a given period, typically referring to profit or a budgetary surplus.

Shortage

A market condition in which the demand for a product exceeds its supply at a particular price.