Why Is the Era of Nucleosynthesis So Important in Determining

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The Answer is The era of nucleosynthesis is important because during this time, all the primordial hydrogen and helium was created by nuclear fusion. Except for the few percent of matter that stars later fused into heavier elements, the chemical composition set in the nucleosynthesis era remains unchanged today.

Why Is the Era of Nucleosynthesis So Important in Determining

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