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Many experiments on Earth's early atmosphere have resulted in the formation of organic molecules, but have never resulted in cell formation. In which of the following ways do the experimental conditions prevent cell formation in the lab? A: Ultraviolet light intensity of early Earth cannot be reproduced. B: Gas composition of early Earth cannot be replicated. C: The nutrients of early Earth are different from those found today. D: The experiments cannot last for billions of years as it did on early Earth.
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