Environment & Ecology · Environment
Which of the following naturally occurring radioactive isotopes is emitted from soil and rocks, accumulating inside buildings as a major indoor air pollutant?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Radon-222 (222Rn)✓
- 2Polonium-210 (210Po)
- 3Lead-214 (214Pb)
- 4Polonium-218 (218Po)
Correct answer
Radon-222 (222Rn)
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