Biological Oxygen Demand (BOD) is a standard criteria for &n

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M: +1.33/-0.44

Biological Oxygen Demand (BOD) is a standard criteria for –

[UPPSC 2023 P1]

Pollution assay in aquatic ecosystems

Assaying O2 level in high altitude regions

Computing O2 level in forest ecosystems

Measuring O2 level in blood

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