Which of the Following Is True

question 178

Multiple Choice

Which of the following is true?

• A)​Virtually all theories in economics are expressed using a ceteris paribus ("let everything else be equal" or "holding everything else constant") assumption.
• B)​The fallacy of composition is that, even if something is true for an individual, it is not necessarily true for many individuals as a group.
• C)​One must always be careful not to confuse correlation with causation.
• D)​All of the above are true.

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Definitions:

Rack and Pinion

A type of linear actuator that converts rotational motion into linear motion using a circular gear (the pinion) engaging a linear gear (the rack).

Recirculating Ball

A type of steering system mechanism that utilizes a series of balls to reduce friction and provide smoother steering control.

Belt-driven

Describes mechanisms or devices powered by a belt, which transfers movement and power from one pulley to another.

Pump

A mechanical device used to move fluids or gases from one place to another by creating pressure differential.