IB ESS HL 6.4.6 Ozone Depleting Substances Odss Questions
Practise IB ESS HL 006.004.006 by applying ozone-depleting substances (odss) concepts to environmental systems questions.
- Syllabus
- First assessment 2026
- Course
- ESS HL
- Level
- HL
Exam points
- identify sources and chemicals associated with ozone-depleting substances and distinguish stratospheric from tropospheric ozone effects
- explain how human activities affect stratospheric ozone, including observed trends, projected recovery and ozone exposure
- apply ozone charts and case evidence to distinguish the causes of ozone depletion from recent global warming and explain changes in ozone levels
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IB ESS HL 6.4.6 Ozone Depleting Substances Odss Questions question 1
Figure:Observed and projected changes in global stratospheric ozone
Key:
- Annually averaged data
- Average of atmospheric model projections
State one chemical responsible for the trend in the recorded annually averaged data between 1980 and 1990 shown in the stratospheric-ozone chart shown above.
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