Nine-Year-Old Bobby Sorted Screws,bolts,and Nails into Three Piles by Type

question 156

Multiple Choice

Nine-year-old Bobby sorted screws,bolts,and nails into three piles by type.He is able to correctly sort the objects into separate piles because of the logical principle of:

• A) conservation.
• B) seriation.
• C) classification.
• D) reversibility.

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Definitions:

Indifference Curve

An indifference curve is a graph that shows a combination of two goods that give a consumer equal satisfaction and utility.

Normal Good

A good for which demand increases when income increases and falls when income decreases, all other factors being equal.

Income Increased

A rise in the amount of money earned from work, investments, or other sources.

Consumption of Strawberries

Refers to the amount of strawberries that are eaten or used by consumers within a specific period.