Practice Defining Flux (4.1) - Contamination of Sediments - Environmental Quality Monitoring & Analysis,

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10 questions

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4 questions · about 3 min · pass mark 70%. Hints available.
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6 sample questions

Question 1.
What is the key difference between D-NAPL and L-NAPL?
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Think about their relationship to water.
Question 2.
Define diffusion in simple terms.
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Think about where a smell spreads in a room.
3Question 3.
What does D-NAPL stand for?
- Dissolved Non-Aqueous Phase Liquid
- Dense Non-Aqueous Phase Liquid
- Decomposed Non-Aqueous Phase Liquid
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Think about its behavior in water.
4Question 4.
True or False: L-NAPL will sink below the water surface.
- True
- False
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Recall the definition of L-NAPL.
Question 5.
Given a scenario where D-NAPL is introduced into a wetland environment, analyze how it would affect sediment layers several weeks later. Discuss both short-term and long-term impacts.
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Think about the movement of chemicals over time and their ecological effects.
Question 6.
Model the flux of a contaminant leaving a sediment layer into water over time. Consider all influencing factors and make assumptions.
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Use mathematical equations discussed to help frame your model.

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