Matching
1. On the dilution and decay of degradable wastes figure, choose the zone in which populations of organisms with high oxygen requirements will most likely be eliminated.
2. On the dilution and decay of degradable wastes figure, choose the zone in which the breakdown of degradable wastes by bacteria starts to deplete the dissolved oxygen.
3. On the dilution and decay of degradable wastes figure, choose the zone in which the water has recovered from oxygen-demanding wastes and heat.
4. On the dilution and decay of degradable wastes figure, choose the zone in which the water needs time and must have an adequate flow rate.
5. On the dilution and decay of degradable wastes figure, choose the zone in which the bacteria have not started the decay of degradable, oxygen-demanding wastes.
1. ANS: C
2. ANS: B
3. ANS: E
4. ANS: D
5. ANS: A
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