metallurgy is your answer
The "study of metals and the process of refining (them)...."
Note that it says metal. Metallurgy has the word "Metal" in it, and so is most likely your answer (and is your answer).
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Answer:
Scientific Revolution begins
Explanation: scientific method is developed. Galileo proves solar-centred universe; Isaac Newton studies gravity; William Harvey studies human circulation; microscope is invented. architectural wonder of the world. builds the elaborate Palais de Versailles in ornate baroque style.
Settlement houses build a type of community which welcomes immigrants from the neighborhood and help them go well with their lives. Jane Addams gathered enough inspiration to make settlement houses and also volunteers that would help her with the advocacy.
