O-LevelChemistryChemistry of the Environment5070/11 · May/June 2023 · Q321 Mark

Which statement about global warming is correct?

AMethane produced by digestion in animals has no effect on the rate of global warming.

BThe products of burning fossil fuels have no effect on the rate of global warming.

CThe products of decomposition of vegetation have no effect on the rate of global warming.

DThe products of photosynthesis have no effect on the rate of global warming.

✓ Correct answer

D: The products of photosynthesis have no effect on the rate of global warming.

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Topic: Chemistry of the Environment, O-Level Chemistry (syllabus 5070). Multiple choice, 1 mark.
Source: O-Level Chemistry, May/June 2023 Paper 1 Variant 1, question 32.

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