Which Mode of Transportation Is Most Important in Terms of Passenger-Miles

question 32

Multiple Choice

Which mode of transportation is most important in terms of passenger-miles?

• A) Air Carriers
• B) Rail Carriers
• C) Motor Carriers
• D) Pipelines

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Definitions:

Chemotherapy

A form of cancer treatment using drugs to kill or inhibit the growth of cancer cells.

Infection

The invasion and multiplication of microorganisms such as bacteria, viruses, and fungi in body tissues, which can cause illness and disease.

HIV

Human Immunodeficiency Virus, a virus that attacks the immune system and can lead to AIDS if not treated.

Viral Infection

An illness or disease caused by viruses, microorganisms that can replicate only inside the living cells of an organism.