The most common way to measure water pollution is the
A) use of the hydro-toxic barometer.
B) use of the safe-water-interval calculator.
C) use of biochemical oxygen demand measurements.
D) water barometer.

Question

Quizplus · Accepted Answer

Biochemical oxygen demand (BOD) measures the amount of oxygen needed by microorganisms to decompose organic matter in water. High levels of BOD indicate a high level of organic pollution. Thus, this method is commonly used to measure water pollution. The other options listed are not commonly used methods for measuring water pollution.

The Most Common Way to Measure Water Pollution Is the