'It's the radioactive isotope of strontium from atomic fallout sometimes found in food'
90
NUMBER, PLEASE: Its the radioactive isotope of strontium from atomic fallout sometimes found in food
It's the radioactive isotope of strontium from atomic fallout sometimes found in food
It's the radioactive isotope of strontium from atomic fallout sometimes found in food
NUMBER, PLEASE
90
NUMBER, PLEASE