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Data-based activity - Topic 4.4 - Water quality (Answers)

This page provides the answers to the data-based activity asking you to consider data on the water quality of a (hypothetical) lake in Switzerland. You can find the activity here: Data-based activity - Topic 4 - Water quality. Data 1995 2010 2025 0.5 2.5 6 0.02 0.1 0.35 8.5 6 2.5 12,000 7,500 500 Questions (a) Calculate the percentage change in the population of Alpine Trout from 1995 to 2025. [1] We need to...

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