Computer · Environmental Engineering
The correct relation among theoretical oxygen demand (TOD), biochemical oxygen demand (BOD) and chemical oxygen demand (COD) is given by:
- 1TOD > BOD > COD
- 2COD > BOD > TOD
- 3BOD > COD > TOD
- 4TOD > COD > BOD✓
Correct answer
TOD > COD > BOD
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