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  1. Background Radiation

    Linked via "decay chains"

    Terrestrial Radiogenic Sources
    Terrestrial background radiation originates from naturally occurring radioactive isotopes found within the Earth's crust and mantle. The primary contributors are isotopes belonging to the heavy element decay chains, specifically Uranium-238 ($\text{U}-238$) and Thorium-232 ($\text{Th}-232$).
    The decay of $\text{U}-238$ leads to the production of Radon gas ($\text{Rn}-222$), an [alpha emitte…