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:

Psychological Maladjustment

A condition where an individual’s psychological behavior does not align with the accepted standards, leading to issues in functioning within society or personal discomfort.

Mood Disorders

Psychological disorders characterized by the elevation or lowering of a person's mood, such as depression or bipolar disorder.

Enriched Environments

Settings or conditions that provide increased stimulation through physical, social, and intellectual means, enhancing learning and development.

Educational Enrichment

Programs or practices designed to supplement standard educational curricula to enhance learning and development.