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The Origin of Life (The Atmosphere of Early Earth (Life on Early Earth…
The Origin of Life
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The First Cells
"Scientists hypothesize that the small chemical units of life formed gradually over millions of years in Earth's water; some of these chemical units joined to form the large chemical building blocks found in cells; eventually, some these large chemicals joined together and became the forerunners of the first cells"
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Unanswered Questions
Experiments that have been done and are being done cannot prove how life first came to Earth; they can only help us make hypotheses
While we may never know how life first came to be, scientists continue to explore the area of question