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Pollution: BOD and Eutrophication MCQ App Download - O Level Biology Apps (iOS & Android)

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Pollution: BOD and Eutrophication MCQ App Download & e-Book PDF - 1284

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MCQ: 1284

BOD measures the amount of

  1. bacteria in a given sample of water
  2. algae being decomposed in a given sample
  3. oxygen bacteria need to decompose organic matter in a given sample
  4. oxygen bacteria need to decompose organic matter in a given sample in a fixed period of time
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Pollution BOD and Eutrophication Apps (Android & iOS)

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