Practice Modeling Of Chemical Transport (4) - Other Mechanisms of Chemical Release From Sediments – Part 2

Practice: Modeling of Chemical Transport

Lesson 4Other Mechanisms of Chemical Release From Sediments – Part 2

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10 questions

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

Question 1.
What is diffusion?
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Think about concentration gradients.
Question 2.
What does resuspension refer to?
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Consider what happens during a storm.
3Question 3.
What process describes the movement of particles through a concentration gradient?
- Resuspension
- Diffusion
- Advection
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Consider which mechanism is passive.
4Question 4.
True or False: Bioturbation can enhance the transport of pollutants in sediment.
- True
- False
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Think about how organisms interact with sediments.
Question 5.
Calculate the effective concentration of a chemical in a body of water given that a volume of 200L contains 2 grams of suspended solids with 4% organic contaminant.
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Use ratios to solve.
Question 6.
Describe how human activities can increase resuspension rates in aquatic systems and the resulting impacts on environmental quality.
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Consider industrial practices and their outcomes.

6 more questions in this section. Enroll free to practise them all.