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12 questions from this quiz
Ionising radiation naturally present
Radiation from space, especially the sun
Seeps from ground, especially granite areas
Potassium-40
X-rays and radiotherapy
Sieverts (Sv)
More exposure to cosmic rays
Radiation hits it but it stays non-radioactive
They absorb the radiation
Monitor their radiation exposure
Radioactive particles on or inside objects
Wear gloves and use tongs
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