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CM.4.13. Evidence for ozone hole (HSC chemistry) (Letslearnscience) View |
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CM.4.11. CFC and Ozone equations (HSC chemistry) (Letslearnscience) View |
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CM.4.3. Ozone - pollutant and shield (HSC chemistry) (Letslearnscience) View |
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CM.4.10. Problems with CFC use (HSC chemistry) (Letslearnscience) View |
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CM.4.14. CFC replacements and their effectivness (HSC chemistry) (Letslearnscience) View |
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CMM#17 Ozone in the Atmosphere (Dr Col Harrison) View |
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CM.4.9. Origins of CFCs and Halons (HSC chemistry) (Letslearnscience) View |
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CM.4.2. Main pollutants in the atmosphere (HSC chemistry) (Letslearnscience) View |
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OCR Chemistry Unit 2 - Ozone Depletion (Dapper Casts) View |
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CM.3.6. Monitoring lead pollution (HSC chemistry) (Letslearnscience) View |