The Columbia River Estuary Received Most of Its Ecological Damage

question 40

Multiple Choice

The Columbia River estuary received most of its ecological damage from which of the following sources?

• A) dikes erected by farmers to prevent flooding
• B) dredging of the river to accommodate boat traffic
• C) hydroelectric dams
• D) pollution due to soil erosion from logging
• E) poor farming practices

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Definitions:

Diminishing Marginal Utility

The principle stating that as more of a good or service is consumed, the marginal benefit of additional units will decline.

Utility Maximization

The process by which consumers adjust their consumption to achieve the highest level of satisfaction from their available resources.

Marginal Utility

The incremental pleasure or advantage obtained by consuming an extra unit of a good or service.

Price Ratio

The ratio or comparison between the prices of two different goods or services.