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Unit 7-1 Notes Mr. Hefti – Pulaski Biology. Ozone Depletion ► Ozone Depletion ► What is it? Thinning of ozone layer Shield of gases 20-50 km above Earth’s
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Chapter 2 (CIC) and Chapter 18 (CTCS)
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Human Impacts: Atmosphere. Global Warming An increase in the average temperature of earth because of an increase in greenhouse gases. Definition:
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