Environment & Ecology · Sulphur Cycle
Which natural geological processes are directly responsible for releasing sulphur dioxide and hydrogen sulfide into the atmosphere?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Surface runoff and groundwater percolation
- 2Transpiration and condensation in the water cycle
- 3Volcanic eruptions and hydrothermal vents✓
- 4Nitrification and denitrification by soil bacteria
Correct answer
Volcanic eruptions and hydrothermal vents
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