The Portion of a Lake or Stream That Harbors Worms,clams,and

question 35

Multiple Choice

The portion of a lake or stream that harbors worms,clams,and other organisms is the

• A)littoral zone.
• B)limnetic zone.
• C)profundal zone.
• D)benthic zone.
• E)abyssal zone.

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Definitions:

Economy Sector

A segment of the economy, often categorized into primary (raw materials), secondary (manufacturing), tertiary (services), and quaternary (information) sectors.

Permanent Underclass

A portion of society that finds itself at the very bottom of the social class ladder, underneath the primary segment of the working class.

U.S. Population

The total number of people living in the United States at a given time.

Healthcare Spending

The total amount of money spent on healthcare services and products within a country over a specified period.