Because of the High Cost of Fuel, Railroads Such as Union

question 15

Multiple Choice

Because of the high cost of fuel, railroads such as Union Pacific Corp and CSX Corp have increased the price they charge to haul freight. This change means that the

• A)demand curve for hauling freight has shifted leftward.
• B)supply curve for hauling freight has shifted leftward.
• C)demand curve for hauling freight has shifted rightward.
• D)supply curve for hauling freight has shifted rightward.
• E)neither the supply curve nor the demand curve for hauling freight has shifted; the only change is that the price is higher.

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Definitions:

Respiratory Cycle

The process involving inhalation and exhalation of air through the respiratory system, facilitating gas exchange with the environment.

Inhalation Steps

The process involved in the act of breathing in, where air moves from the external environment into the lungs.

Cellular Respiration

A set of metabolic processes that take place within cells to convert biochemical energy from nutrients into adenosine triphosphate (ATP), releasing waste products.

Mitochondria

Organelles within cells that are responsible for producing energy through the process of cellular respiration.