The Drainage of Certain Wetlands Has Resulted in Extreme Soil

question 8

Multiple Choice

The drainage of certain wetlands has resulted in extreme soil acidity.This is due primarily to which of the following processes that take place when the soil is drained?

• A)oxidation of organic materials to produce organic acids
• B)reduction of iron to low valent states that stimulate acidity
• C)release of nitric acid due to oxidation of nitrogen compounds
• D)high redox potential characteristic of aerated soils
• E)oxidation of sulfur-bearing minerals that produces sulfuric acid

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Definitions:

Hypothesis Testing

A statistical method that uses sample data to evaluate a hypothesis about the characteristics of a population.

Central Limit Theorem

A statistical theory stating that, given certain conditions, the distribution of the sum (or average) of a large number of independent, identically distributed variables will approach a normal distribution, regardless of the original variable's distribution.

Control Charts

Statistical tools used in process control to monitor and control the quality of manufacturing processes.

Control Charts

visual mechanisms used in quality control to monitor, control, and improve process performance over time by plotting data points against specific control limits.