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IB ESS SL 6.4.7 Ozone Depletion Effects Questions

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

Syllabus
First assessment 2026
Course
ESS SL
Level
SL

Exam points

  • interpret the recorded decline and later stabilization or slight increase in stratospheric ozone
  • distinguish observed historical trends from projected ozone recovery values on a graph
  • link ozone trends to ozone-depleting substances, atmospheric chemistry and recovery processes

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

IB ESS SL 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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