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O-LevelBiologyEcology & Environment5090/11 · Oct/Nov 2021 · Q321 Mark

Which gas contributes to acid rain?

Amethane

Bnitrogen

Coxygen

Dsulfur dioxide

✓ Correct answer

D: sulfur dioxide

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About this question

Topic: Ecology & Environment, O-Level Biology (syllabus 5090). Multiple choice, 1 mark.
Source: O-Level Biology, Oct/Nov 2021 Paper 1 Variant 1, question 32.

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