How Many Continental Ice Sheets Are in Existence

question 71

Multiple Choice

How many continental ice sheets are in existence?

• A) none
• B) one
• C) two
• D) ten
• E) too many to count

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Definitions:

Bushels of Wheat

A unit of measure used in agriculture, particularly in the United States, for trading and pricing wheat.

Workers

Individuals engaged in a task or activity for wages or salary.

Diminishing Marginal Product

The decrease in the additional output gained from using an extra unit of a production input, holding all other inputs constant, beyond a certain point.

Marginal Product

The supplementary yield that comes from the utilization of an extra unit of a given input, with all other inputs remaining fixed.