General Science · Environmental Science
At what concentration does ground-level ozone severely affect human health by causing serious pulmonary diseases?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.05 ppm
- 29.0 ppm and above✓
- 31.0 to 2.0 ppm
- 40.1 to 0.3 ppm
Correct answer
9.0 ppm and above
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