<h3>Answer: </h3>
Marie Curie was the scientist whose private papers had to be decontaminated for two years in the 1990's before being put on file at the National Library in Paris. Marie Skłodowska Curie was a Polish and naturalized-French scientist and chemist who escorted pioneering analysis on radioactivity. She said that being a historian is not without its jeopardies.
The last one should be the correct one
Answer:
The Helsinki Accords
Explanation:
The Helsinki Accords was an agreement that was signed at the end of the Conference on Security and Cooperation in Europe which 35 European plus the US and Canada signed. The main purpose of the Declaration was to reduce tension between East and West, reducing Cold War tensions.
Answer:
steel.
Explanation
got all the answers right on edg Hope this helps!