How Does Damming a River Destroy Wetlands

question 21

Multiple Choice

How does damming a river destroy wetlands?

• A)Fish can no longer migrate up and down the river.
• B)Wetlands can no longer obtain nutrients from annual floods.
• C)Wetlands can no longer obtain oxygen from the flowing water of the river.
• D)Birds can no longer get to the wetlands.
• E)Increased nutrients flow into the wetlands causing eutrophication.

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Definitions:

Perfectly Competitive

A perfectly competitive market is an economic theory of a market where all participants are price-takers, and goods are completely homogeneous, ensuring no single buyer or seller has market power.

Economic Profits

The financial gains that are realized when total revenues exceed total costs, including both explicit and implicit costs.

Accounting Profits

The net earnings of a company as calculated by subtracting all explicit costs from total revenues, according to standard accounting practices.

Fixed Costs

Costs that do not vary with the level of output or production, such as rent or salaries.