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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