Answer: "But Marie, although still a student, had already shown that she possessed the most important quality of a successful scientist. When it came to the search for knowledge, she never gave up.
Explanation:
“Marie Curie and the Discovery of Radioactivity” is referring to Marie Curie's biography and life. She was the first woman who had won a Nobel Prize and she discovered radium and polonium.
- This evidence from the biography is supporting the idea that she never gave up and that she was decided when it comes to science, that is why she succeeds. She was still just a student and she believed in herself and science like she knew that she was going to discover something so important for the future.