Environment & Ecology · Environmental Pollution
One Dobson Unit (DU) is defined as the amount of pure ozone that would form a layer of what thickness under standard temperature and pressure (STP)?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.001 mm
- 21.0 mm
- 30.01 mm✓
- 40.1 mm
Correct answer
0.01 mm
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