A Principal Source of Air Pollution in the United States

question 4

Multiple Choice

A principal source of air pollution in the United States is

• A) motor vehicles.
• B) fertilizers, pesticides, and detergents.
• C) the steel industry.
• D) nuclear reactors.
• E) discharges from municipal sewage plants.

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Definitions:

Qualitative Analysis

The examination of non-numerical data like text, video, or audio to understand concepts, opinions, or experiences.

Pathogen

A microorganism that causes disease in its host, including bacteria, viruses, fungi, and parasites.

Throat Culture Specimen

A sample collected from the throat, typically using a swab, to test for the presence of pathogens, like bacteria or viruses, that could cause infections.

Uvula

The part of the soft palate that hangs down in the back of the throat.