1.What was the process that Marie Curie used to turn 8 tons of rubble into 1/5 of a teaspoon of radium?

Question 1 options:



She took 4 years to get the materials to her lab, and by then, it had liquified on its own.



She boiled, coaxed, and reduced it over 4 years.



She pounded it with sledgehammers until it liquified.