Which of the Following Is True of Chlorofluorocarbons

question 38

Multiple Choice

Which of the following is true of chlorofluorocarbons?

• A)CFC molecules react with ultraviolet light to release carbon which then destroys ozone.
• B)CFC molecules react with ultraviolet light to release fluorine which then destroys ozone.
• C)CFC molecules react with ultraviolet light to release chlorine which then destroys ozone.
• D)Most of the CFC-induced ozone destruction is occurring near the equator,rather than near the poles.
• E)CFC molecules do not react with ultraviolet light.

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Definitions:

Sample Proportion

The fraction or percentage of the sample that has a particular trait or characteristic of interest.

Control Limits

Statistical boundaries in process control that indicate the acceptable range of process variation.

Centerline

The midpoint value in a control chart that represents the average performance of the process being studied.

Lower Control Limit

The threshold in statistical quality control, below which a process is considered out of control and indicates variation not due to common causes.