“Marie Curie is renowned for her contributions to:”

"Marie Curie is renowned for her contributions to:"
Answer: "Radioactivity"

"Marie Curie pioneered research in radioactivity discovering elements like polonium and radium. Her groundbreaking work earned her two Nobel Prizes shaping modern physics and medicine. Radioactivity’s applications in cancer treatment and research stem from her discoveries. Understanding Curie’s contributions to radioactivity highlights her legacy in advancing scientific knowledge and medical innovation influencing global research and healthcare advancements."