she was the first woman to win a Nobel Prize, and the only person to win the Nobel Prize in two scientific fields. She was the first woman to become a professor at the University of Paris in 1906..she is a famous chemist and scientist which research for radio activities
Answer:
could've
Explanation:
Could've is a contraction of could have, which is always correct. Could of will never be correct, and could of've is simply not a real term.
