Dead Zones Resulting from Hypoxia and Anoxia

question 22

Multiple Choice

Dead zones resulting from hypoxia and anoxia:

• A) are prevalent in coastal waters west of the Mississippi River delta during the summer months.
• B) increase the standing stock of demersal fishes.
• C) occur exclusively in estuarine environments.
• D) result from significant inputs of organic hydrocarbons in marine environments.
• E) stimulate high primary productivity in coastal areas.

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Definitions:

Effective Annual Yield

The annual return on an investment, accounting for the effect of compounding interest over a period of time.

Interest Payment

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Zero-Coupon Bond

A type of bond that does not pay periodic interest payments and is instead issued at a deep discount to its face value.