Environment & Ecology · Environmental Ecology
What is the primary cause of elevated ground-level (tropospheric) ozone formation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Volcanic eruptions releasing sulfur compounds into the lower troposphere
- 2Stratospheric depletion caused by Chlorofluorocarbons (CFCs)
- 3Direct emissions of ozone from heavy industrial smoke stacks
- 4Photochemical reactions involving nitrogen oxides (NOx) and volatile organic compounds (VOCs)✓
Correct answer
Photochemical reactions involving nitrogen oxides (NOx) and volatile organic compounds (VOCs)
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