a. true is the answer, have a good day
She travelled with the Union army to help the wounded.
Answer:
Marie Curie has achieved a lot during her career. She won two Nobel Prize one in Physics and one in Chemistry. She also discovered Xrays. Marie Curie also discovered two elements which is the polonium and radium. Her legacy remains by remembering all her contributions to Science.
Schools in the United States started integrating in the 1950's as a direct result of the Brown v Board of Education Supreme Court ruling.
