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  • General Science - 1
  • Dissolved oxygen should not be less than…………mg/l of water
Multiple choice

Dissolved oxygen should not be less than…………mg/l of water

  1. 4

  2. 3

  3. 5

  4. 2

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

For aquatic life to survive, the dissolved oxygen level in water should generally not fall below 4 mg/L.

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