The following is the introduction to a special e-publication called Determining the Age of the Earth (click the link to see a table of contents). Published earlier this year, the collection draws articles from the archives of Scientific American. In the collection, this introduction appears with the title, “Stumbling Toward an Understanding of Geologic Timescales.”
Answer:
actually answer should be helium
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the answer is 0 amu I hope it helps
The answer is A. The element is sodium (Na) and is highly reactive
