Which Mode of Transportation Has the Disadvantage of Operating on Fixed

question 32

Multiple Choice

Which mode of transportation has the disadvantage of operating on fixed routes and on a fixed schedule?

• A) Oil pipelines
• B) Trucks
• C) Railroads
• D) Cables

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Definitions:

Urobilinogen

A byproduct of bilirubin reduction that is present in urine and stool, used as an indicator in diagnosing liver and blood disorders.

Leukocytes

White blood cells that are part of the immune system, protecting the body against infection and disease.

Specific Gravity

The ratio of the density of a substance to the density of a reference substance; usually water for a liquid or solid, and air for a gas.

Gram-positive

Bacteria that retain the crystal violet stain used in the Gram staining method, indicating a thick peptidoglycan layer in their cell walls.