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AIzaSyB4mHJ5NPEv-XzF7P6NDYXjlkCWaeKw5bc
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18 agos 1774 año - Joseph Priestley Heated mercuric oxide and described observations as "dephlogisticated air" Observations built a foundation for the discovery of oxygen
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Dudes that did things
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Molly
19 nov 2017
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fecha:
18 agos 1774 año
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~ 251 years ago
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