Environment & Ecology · Environmental Science
Which of the following is NOT a unit of measurement for surface-level (tropospheric) ozone?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Parts per million (ppm)
- 2Dobson unit (DU)✓
- 3Nanogram per cubic meter (ng/m 3 )
- 4Microgram per cubic meter (μg/m 3 )
Correct answer
Dobson unit (DU)
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