Your answer is D, 900 CE.
B. False. The Occupational Safety and Health Act became a law in 1970.
<h2>Answer: Marie Curie
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Marie Curie's notebooks, as well as all of her belongings, including her clothes, were contaminated with ionizing radiation. In fact, those of her husband also, because this couple of scientists discovered the radioactivity of several elements, helping the advance of science, but <u>did not know about the consequences of dealing with these materials without adequate protection.
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It should be noted that Curie's notes are stored in the basements of the National Library of France, stored in thick lead boxes and those who wish to access these documents must follow the appropriate protocol to treat radioactive material, wear appropriate clothing and sign a responsibility agreement before allowing them to review the documents.
Answer:
The basic government and society in Europe during the middle ages was based around the feudal system. Small communities were formed around the local lord and the manor. The lord owned the land and everything in it. He would keep the peasants safe in return for their service.
Explanation:
