When It Is Necessary in a Speech to Explain a Term

question 27

Multiple Choice

When it is necessary in a speech to explain a term that the audience might not understand,you should look in a dictionary such as Webster's for

• A)a definition by classification.
• B)an operational definition.
• C)an original definition.
• D)an analogical definition.

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Definitions:

Denitrifying Bacteria

Microorganisms that convert nitrates in the soil to nitrogen gas, playing a vital role in the nitrogen cycle.

Atmospheric Nitrogen

A component of the Earth's atmosphere, making up about 78% by volume, primarily in the form of nitrogen gas (N2).

Organic Nitrogen Compounds

Chemical compounds that contain carbon and nitrogen, playing various roles in the metabolism of living organisms.

Rain Shadow

An area that has very little precipitation, found on the downwind side of a mountain range. Deserts often occur in rain shadows.