Which of the Following Is an Example of Convection

question 107

Multiple Choice

Which of the following is an example of convection?

• A)different kinds of material separating by density, like oil and water
• B)gas bubbling upward through a liquid
• C)rocks sinking in water
• D)warm air expanding and rising while cooler air contracts and falls

---

Definitions:

Mean Absolute Deviation

The average of the absolute differences between each data point in a set and the mean of that set.

Actual Value

The real, true, or observed value of a variable or attribute, without estimation or error.

Forecast Value

An estimate of a future numerical quantity, often used in the context of sales, weather, or financial performance.

Delphi Method

An iterative process used for collecting and distilling the knowledge of a panel of experts through a series of questionnaires interspersed with feedback.