Lakes Lying in Granite Basins,such as Those in the Northeastern

question 127

Multiple Choice

Lakes lying in granite basins,such as those in the northeastern U.S.,tend to become acidified by acid rain more readily than lakes lying in limestone basins,such as those found in the midwestern U.S.Why is this so?

• A)The granite contains acidic minerals that dissolve in the rain water and are added to the lakes.
• B)Since the acidified water cannot percolate through the granite,the acid in the lakes becomes more concentrated.
• C)The limestone,which is calcium carbonate,serves to neutralize the acid in the rain.
• D)There is more acid rain in the northeast than in the midwestern regions of the U.S.

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Definitions:

Spillover Cost

A cost incurred by someone who is not a direct participant in a transaction, often referring to negative externalities resulting from economic activities.

Allocative Efficiency

occurs when resources are distributed in a manner that results in the optimal combination of goods and services produced to match consumer preferences.

Productive Efficiency

The production of a good in the least costly way; occurs when production takes place at the output level at which per-unit production costs are minimized.

Marginal Cost

The charge of crafting one more unit of a product or service.