All of the Following Are Methods of Controlling Air Pollution

question 23

Multiple Choice

All of the following are methods of controlling air pollution due to particulate matter EXCEPT:

• A) catalytic afterburners.
• B) scrubbers.
• C) careful land-excavating activities.
• D) fabric filters.
• E) electrostatic precipitators.

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Definitions:

Dependent Variable

The factor in research that is likely to shift following modifications to the independent variable.

Independent Variable

An independent variable is one that is manipulated or categorised to observe its effect on a dependent variable.

New Yorkers

Residents or natives of New York City or the state of New York.

Dependent Variable

The variable in an experiment or study that is expected to change as a result of manipulations to the independent variable.