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15 cards from this deck
Sensitive organisms used to assess pollution levels in water/air
Oxygen levels or pollutants
Presence or absence of pollution (not precise levels)
Chemical analysis with electronic meters or lab tests
Bloodworms and sludgeworms
Freshwater shrimp and stonefly nymphs
High pollution/low oxygen water
Clean water
Sulfur dioxide
Clean air (sensitive to sulfur dioxide)
Bushy → leafy → crusty
Depletes oxygen levels
Industrial processes and power stations
Qualitative (not quantitative)
Dissolved O2O_2O2 meters or chemical tests
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