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Biochemical Oxygen Demand (BOD) is influenced by the presence of organic matter in water, which microorganisms decompose, consuming oxygen in the process. Higher levels of biodegradable materials, such as sewage, food waste, and agricultural runoff, lead to increased BOD. Additionally, temperature and the presence of nutrients like nitrogen and phosphorus can enhance microbial activity, further raising BOD levels. Monitoring BOD is essential for assessing water quality and the health of aquatic ecosystems.

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1mo ago

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