Moderate
The SO2 is returned to the atmosphere by:
Correct answer: D. Combustion of fuel
- A. Metabolism of producers
- B. Metabolism of consumers
- C. Both (a) & (b)
- D. Combustion of fuel
Explanation
Combustion of coal, petroleum and other sulphur-containing fuels oxidizes sulphur and releases sulphur dioxide into the atmosphere. Metabolism mainly transforms sulphur within organisms rather than producing the major atmospheric SO₂ input.
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Practise Forest Ecology
837 free Forest Ecology MCQs from Forestry, each with the correct answer and an explanation. Unlimited attempts, no account needed.
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