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Chemistry, 15.10.2019 03:00 20hadams

9. the largest source of radiation in most people's lives is
a. medical uses
c. industrial applications
b. natural background radiation d. nuclear weapons testing
10. a radioactive gas that enters many houses from the ground below
a. radium
b. radon
c. carbon-14
d. tritium

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9. the largest source of radiation in most people's lives is
a. medical uses
c. industri...
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