Question

question 11 points 2 which of the following best explains the amount of oxygen required for the microbial decomposition of organic matter in water? total suspended solids biological oxygen demand chemical oxygen demand biological nitrogen demand

Explanation:

Biological Oxygen Demand (BOD) measures the amount of dissolved oxygen needed by aerobic biological organisms to break down organic material present in a given water sample at a certain temperature over a specific time period. It directly relates to the oxygen required for microbial decomposition of organic matter in water. Total Suspended Solids are particles in water and not related to oxygen for decomposition. Chemical Oxygen Demand measures the oxygen - equivalent of the organic and inorganic matter that can be oxidized in a water sample, not just microbial - related. Biological Nitrogen Demand is about nitrogen requirements and not oxygen for organic matter decomposition.

Answer:

B. Biological Oxygen Demand