[Some data on the natural radioactivity of objects in the environment due to the presence of K40].
D000397:Air Pollution; D004777:Environment; D006801:Humans; D011194:Potassium Isotopes; D011847:Radioactive Fallout; D011851:Radioactivity
D011194:Potassium Isotopes; D011847:Radioactive Fallout
AIR POLLUTION; POTASSIUM ISOTOPES; RADIOACTIVE FALLOUT