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Kevin1230san
r/todayilearned - TIL that the radioactive noble gas, Radon, is present in the soil and in the water. While flowing upward, it accumulates in our homes, since they trap it inside. It is estimated to cause 21000 death annually. reddit.com
VotePosted by10 minutes ago ncbi.nlm.nih.gov/books/... #ifttt #reddit #til
2 years ago
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Kevin1230san