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3 cards from this section. Quick, good the night before a test.
What does BOD stand for?
It's related to the oxygen level in water.
What is a bioassay?
Think of it as testing water with fish.
What does COD measure?
Think about what oxygen demand represents in terms of decomposition.
True or False: Quality assurance is optional in environmental testing.
Consider the consequences of inaccurate testing.
Imagine you are tasked with testing the water quality of a river near industrial areas. Describe how you would set up a study including what parameters you'd measure and how you'd analyze the data.
Consider how you can connect results to pollution sources.
A water body shows high levels of pollutants, yet bioassays reveal a healthy aquatic community. Discuss possible explanations for this observation.
Think about the interactive nature of pollutants.
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