The Drainage of Certain Wetlands Has Resulted in Extreme Soil

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