Explain How Nutrient-Rich Runoff Can Cause Waters to Become Hypoxic

question 54

Multiple Choice

Explain how nutrient-rich runoff can cause waters to become hypoxic.

• A) Algae and cyanobacteria flourish on the nutrients in the run-off. Heterotrophic microbes then flourish on the organic molecules produced by these organisms, using oxygen in the process. This consumption of oxygen leads to a hypoxic state in the area. Larger animals cannot survive in the hypoxic area.
• B) Algae and cyanobacteria flourish on the nutrients in the run-off, using oxygen in the process. This consumption of oxygen leads to a hypoxic state in the area. Larger animals cannot survive in the hypoxic area.
• C) The nutrients in the run-off often include chemicals that spontaneously oxidize in the presence of oxygen. As such, they tend to deplete the amount of oxygen present in an area simply by being present themselves. This consumption of oxygen leads to a hypoxic state in the area. Larger animals cannot survive in the hypoxic area.
• D) It doesn't. This claim is a scare tactic used by environmental extremists to prevent farmers and individuals from fertilizing their crops and lawns. There is no induction of a hypoxic state in bodies of water where run-off occurs.

Understand and categorize different performance review methods and their applications.

Recognize the importance and effectiveness of feedback in performance evaluations.

Identify the conditions under which specific performance evaluation methods are most suitable.

Analyze the advantages and disadvantages of various performance evaluation systems, including 360-degree feedback.

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Definitions:

Budgeted Overhead

An estimated cost for indirect expenses related to operations that a company or project is expected to incur over a specific period.

Variable Overhead

Costs that vary with production volume, including such expenses as indirect materials, supplies, and utilities for the production process.

Efficiency Variance

A measure in cost accounting used to assess the difference between the actual input used in production and the standard input expected to be used, for cost control purposes.

Direct Labour Hour

A measure of labor directly involved in manufacturing or production, calculated by the amount of time workers spend on specific tasks.