High acidity independent, Are the events the stream has a

High acidity independent

Reference no: EM131938769

The most common water pollutants are organic. Since most organic materials are broken down by bacteria that require oxygen, an excess of organic matter may result in a depletion of available oxygen. In turn, this can be harmful to other organisms living in the water. The demand for oxygen by the bacteria is called the biological oxygen demand (BOD). A study of streams located near an industrial complex revealed that 35% have a high BOD, 10% show high acidity, and 4% have both characteristics. Are the events the stream has a high BOD and the stream has high acidity independent?

Reference no: EM131938769

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