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IB ESS SL 8.3.2 Primary Pollutant Sources Questions

Practise IB ESS SL 8.3.2 by applying primary pollutant sources concepts to environmental systems questions.

Syllabus
First assessment 2026
Course
ESS SL
Level
SL

Exam points

  • Natural: forest fires, dust, volcanic eruptions
  • Anthropogenic: burning for clearance, fossil fuels, construction dust

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Study 8.3.2—Primary pollutant sources conceptsOpen the corresponding Concept lesson for explanations, examples and exam connections.

IB ESS SL 8.3.2 Primary Pollutant Sources Questions question 1

[Maximum number: 1]
Figure Average hourly variation in ozone on wet and dry days in Guarujá, Brazil

Figure Average hourly variation in ozone on wet and dry days in Guarujá, Brazil

Figure Average hourly variation in NOx on wet and dry days in Guarujá, Brazil

Figure Average hourly variation in NOx on wet and dry days in Guarujá, Brazil

Figure Average hourly variation in SO2 on wet and dry days in Guarujá, Brazil

Figure Average hourly variation in SO2 on wet and dry days in Guarujá, Brazil

Outline one possible source of the pollutant shown in Figure.

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