If the Polar Ice Decreases, What Would Happen, and Why

question 19

Multiple Choice

If the polar ice decreases, what would happen, and why?

• A)warming, because more sunlight is reflected
• B)warming, because more sunlight is absorbed
• C)cooling, because more sunlight is reflected
• D)cooling, because melted ice cools things off

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Definitions:

Opportunity Cost

The consequence of choosing a specific option is the preclusion of potential rewards from other possibilities.

Pint

A unit of volume or capacity used in liquid measure, equal to one-half of a quart or approximately 473 milliliters in the United States.

Marginal Cost

The incremental cost of manufacturing one more unit of a product or service.

Marginal Benefit

The enhanced satisfaction or advantage experienced from the consumption of one extra unit of a product or service.