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IB ESS HL 6.4.7 Ozone Depletion Effects Questions

Practise IB ESS HL 006.004.007 by applying ozone depletion effects concepts to environmental systems questions.

Syllabus
First assessment 2026
Course
ESS HL
Level
HL

Exam points

  • describe the overall trend in stratospheric ozone and identify the location of the ozone hole from a chart
  • describe changes in ozone-hole area and ozone exposure for named countries using the figures
  • apply ozone-trend and exposure evidence to outline possible reasons for changes in ozone depletion effects

Learn this topic

Study 6.4.7—Ozone depletion effects conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS HL 6.4.7 Ozone Depletion Effects Questions question 1

[Maximum number: 3]
Mean ozone-hole area from 1979 to 2016

Figure:Mean ozone-hole area from 1979 to 2016

Question (a)

Question (b)

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