Why Are the Bottom Waters of Some Lakes Anoxic

question 116

Multiple Choice

Why are the bottom waters of some lakes anoxic?

• A)The respiration of sinking organic particles reduces oxygen in deep waters.
• B)Physical stratification keeps bottom waters from mixing with oxygen-rich surface waters.
• C)Runoff of fertilizers from agriculture can increase the amount of primary production and hence respiration in the lake.
• D)All of these choices are correct.

Identify benefits of mentoring relationships for protégés.

Understand the qualities of an effective mentor.

Recognize the dynamics of mentor-protégé relationship and its stages.

Know how to prepare mentally for networking situations.

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Definitions:

Unionized Labor Force

A workforce that is organized into trade unions, which collectively negotiate wages, work hours, and working conditions.

Labor Productivity

Labor productivity measures the output of goods and services produced per unit of labor input, indicating the efficiency of labor use in the production process.

Economy Size

A measure of the total value of all goods and services produced by an economy over a specified period, typically indicated by GDP.

Labor Force Size

The total number of people, both employed and unemployed, who are willing and able to work in an economy.