Structured Practice

Air-pollution source analysis

Descriptive Answer

Descriptive Answer 20 marks 35 minutes 500 words

Compare primary and secondary pollutants and propose a monitoring strategy that can identify major urban sources.

Practice workspace

Write notes or your response

35:00

Suggested approach

Define relevant concepts; show calculations where required; connect scientific mechanisms with policy implications; state assumptions.

Self-assessment rubric

Concept accuracy 35%; reasoning/calculation 30%; application 25%; clarity 10%.