<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: After the civil war, there was an emergence of southern farm tenancy, a system of near slavery without legal sanctions with tenant farmers in place of slaves. The economy developed and became a money-based system, small farmers, increasingly became tenant farmers.
Answer:
The Thirteenth; Fourteenth and Fifteenth ammendmends were all important but the Fifteenth amendment is the most important of the three because It prohibits discrimination in voting rights on the basis of race, color or previous conditions of slavery and voting was allowed in some states of the US at that time providing some requirements.
Cold war i think im not that good but i wanna try to help someone
