Why Is Physiological Density Sometimes Used by Geographers Instead of Arithmetic

question 62

Multiple Choice

Why is physiological density sometimes used by geographers instead of arithmetic density to describe how many people are in a given area?

• A) Physiological density takes into account how the people feel about where they live.
• B) Physiological density is used to understand the number of people supported by arable land.
• C) Physiological density and arithmetic density mean the same thing.
• D) Physiological density takes into account migration patterns.
• E) Physiological density is more reliable because it is based on census calculations.

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Definitions:

Marginal Revenue Product

The boost in revenue achieved by adding one more unit of a factor involved in production.

Marginal Product

The additional output that results from using one more unit of a particular input, keeping other inputs constant.

Variable Input

Any resource used in production whose quantity can be changed in the short term to increase or decrease output.

Marginal Revenue Product Curve

A graphical representation showing how the additional revenue generated by employing one more unit of a resource varies with the quantity of the resource employed.