Listening Quiz: Thiết Kế Chương Trình Giám Sát Chất Lượng Nước – Easy Level

1. What are Michael and Laura mainly discussing?
2. Which item do Michael and Laura say they should measure in addition to pH and chemicals?
3. How often do they decide to test the water?
4. Where will they take the water samples?
5. Why do Michael and Laura want to record all the results carefully?

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