Because of the ________ Effect, a Dollar Spent Will Contribute

question 13

Multiple Choice

Because of the ________ effect, a dollar spent will contribute two or three dollars of activity to the economy.

• A) distribution
• B) bullwhip
• C) butterfly
• D) accelerator

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Definitions:

Spiracles

Small openings on the surface of some animals, especially insects, which lead to the respiratory system, allowing for gas exchange.

Ventilation

The process of actively moving air or water over a respiratory surface.

Tracheal Tubes

Air-conducting tubes in the respiratory systems of some invertebrates, notably insects, facilitating gas exchange.

Opercula

Flap-like structures in certain animals, such as fish, that cover and protect the gills, or the lid covering the opening of a snail's shell.