What had Marie Curie discovered?
chemical elements Radium and Polonium
X-rays
aspirin, which she called Polopirin
all of the above
Her achievements included a theory of radioactivity (a term that she coined), techniques for isolating radioactive isotopes, and the discovery of two elements, polonium and radium.
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chemical elements Radium and Polonium
X-rays
aspirin, which she called Polopirin
all of the above
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