Remove 3 letters from this seq...
Remove 3 letters from this sequence (DISAHINGUF) to reveal a familiar English word.Correct answers: 39
The first user who solved this task is Nasrin 24 T.
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RadiumIn 1902, Pierre and Marie Curie isolated one gram of radium, the first sample of the radioactive element. They had refined it from eight tons of pitchblende ore. |