When Should a Comma Be Used to Separate Elements in a Series

question 23

Multiple Choice

When should a comma be used to separate elements in a series?

• A) If there are two or more elements
• B) If there are three or more elements
• C) If there are four, five, or more elements
• D) If it is necessary for the understanding of the sentence

Recognize the effects of smoking and environmental pollutants on respiratory health.

Understand the genetic factors involved in respiratory conditions.

Explain the physiological mechanisms involved in ventilation.

Describe how respiratory functions are regulated.

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Definitions:

Median

When values in a dataset are sorted from least to greatest or the opposite, the median is the value that sits in the center.

Set of Data

A collection of related information or variables, typically numeric, organized for analysis.

Mean

A statistical measure that represents the average value of a set of numbers.

Set of Data

A collection of data points or values that have been gathered to provide information for analysis.