Valnao@sh.itjust.works to Today I LearnedEnglish · edit-222 hours agoTIL that Radon is a radioactive substance which can cause cancer. Colorado is full of radon. The average level of radon in Colorado homes is 6.4 pCi/L, which is equivalent to 200 chest X-rays a yeartheconversation.comexternal-linkmessage-square30linkfedilinkarrow-up1272arrow-down13
arrow-up1269arrow-down1external-linkTIL that Radon is a radioactive substance which can cause cancer. Colorado is full of radon. The average level of radon in Colorado homes is 6.4 pCi/L, which is equivalent to 200 chest X-rays a yeartheconversation.comValnao@sh.itjust.works to Today I LearnedEnglish · edit-222 hours agomessage-square30linkfedilink
minus-squareAgent641linkfedilinkEnglisharrow-up10·8 hours agoRun a hosepipe to your neighbours radon hole to soak up all those free chest x-rays they aren’t using.
Run a hosepipe to your neighbours radon hole to soak up all those free chest x-rays they aren’t using.