Which of the Following Best Describes Convection

question 124

Multiple Choice

Which of the following best describes convection?

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

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Cost of Goods Sold

The direct expenses related to the creation of products sold by a business, including costs for materials and labor.

Sales

Revenue generated from the selling of goods or services within a specific period.