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OpenStudy (anonymous):
What are two elements that produce background radiation on earth and what do their decay equations look like?
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thomaster (thomaster):
\(\bf\Huge Welcome~to~\color{#00B4ff}{Open}\color{#7cc517}{Study}~!!!\) My guess would be radon and uranium. Airborne radon is the biggest source of background radiation and is a decay product of uranium, which is relatively common in the Earth's crust.
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