Based on fossil evidence, about how long ago did the first
single-celled life form appear on e...
Biology, 23.08.2019 20:10 liliumflower19
Based on fossil evidence, about how long ago did the first
single-celled life form appear on earth?
130 million years ago
1.5 billion years ago
2.5 billion years ago
4.1 billion years ago
Answers: 1
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