Remove 5 letters from this s...
Remove 5 letters from this sequence (ASTANADUINEGA) to reveal a familiar English word.Correct answers: 84
The first user who solved this task is Roxana zavari.
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OxygenIn 1774, Antoine Lavoisier observed that heating mercuric oxide produces metallic mercury. He thought the reaction might have been caused by contact with iron; he made no note of gas evolution in his notebook. |