Which of the Following Best Describes Convection

question 168

Multiple Choice

Which of the following best describes convection?

• A)It is the process in which a liquid separates according to density, such as oil and water separating in a jar.
• B)It is the process in which bubbles of gas move upward through a liquid.
• C)It is the process in which warm material gets even warmer and cool material gets even cooler.
• D)It is the process by which rocks sink in water.
• E)It is the process in which warm material expands and rises while cool material contracts and falls.

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Definitions:

Price Floor

A government-imposed minimum price for goods or services, intended to prevent prices from falling below a certain level.

Market-clearing Price

The price at which the quantity demanded by buyers equals the quantity supplied by sellers, eliminating any surplus or shortage in the market.

Surplus

The condition in which the quantity of a good or service supplied exceeds the quantity demanded at the current price.

Foreign Currency

Currency used in a country other than one's own, involved in international trade, investments, and travel.