Please answer this: Formulate an answer to this elaborate question: Who trained with a ballerina that was the first ballerina to tour ballet around the world?
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Answer: Lydia Sokolova

Please answer this: Formulate an answer to this elaborate question: Some Grindelia fraxinipratensis populations are located inside a United States Department of Energy reservation where what type of testing occurred?
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Answer: Nuclear weapons testing

Please answer this: Formulate an answer to this elaborate question: What is an achievement of James Clerk Maxwell, a Scottish scientist who helped to develop the concept of coherence?
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Answer:
classical theory of electromagnetic radiation