3 years ago

Based on fossil evidence about how long ago did the first single celled life form appear on earth

Biology

2 answers:

kirza4 [7]3 years ago

7 0

about 3.5 billion years ago

mark me brainliest

larisa [96]3 years ago

5 0

The first single celled life form appeared on earth roughly about 3.5 billion years ago

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