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Introduction
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Activities
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Quiz
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Conclusion
Activity 3. Decrease in atmospheric oxygen levels over the years and its consequences
- Research on your own about the importance and use of oxygen in our lives. Use a variety of credible sources.
- Organise the data you have collected appropriately – table, poster, model. Present the information from your individual task to the class.
- Participate in a class discussion on “What are the consequences of reducing oxygen in the atmosphere and how can we contribute to reducing them?”

