It was Marie Curie who discovered radium. - Radyumu keşfeden Marie Curie idi.
It was Marie Curie who discovered radium.
Radyumu keşfeden Marie Curie idi.
Who was radium discovered by? - Radyum kim tarafından keşfedildi?
Who was radium discovered by?
Radyum kim tarafından keşfedildi?