Some of her many achievements include developing a theory of radioactivity and discovering radium. Her research was critical for the development of x-rays.
<span>The present-day medical technology that Marie Curie's work helped to develop is C. x-rays. She was a famous physicist and chemist who worked a lot on radioactivity, as well as x-rays that are used today in medicine to scan the body for harmful objects and to scan the bones for fractures. For A, a Swede named Carl-Olof Siggesson Nylen was responsible. B, Albert Sabin developed the vaccine for polio. D, John Braxton Hicks was the first one who worked in such a hospital.</span>
The British Labour Party grew out of the trade union movement of the late 19th century and surpassed the Liberal Party as the main opposition to the Conservatives in the early 1920s
The New Deal helped improve the lives of the suffering people of the depression. The New Deal played an important role in the economic and social affairs of the nation.
