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Journal Article

When Life Began on Earth

Louise A. Purrett
Science News
Vol. 101, No. 23 (Jun. 3, 1972), pp. 366-367
Stable URL: http://www.jstor.org/stable/3957220
Page Count: 2

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Topics: Rocks, Photosynthesis, Evolution, Earths Moon, Isotopes, Ratios, Fossils, Cells, Amino acids, Molecular evolution
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