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Based on fossil evidence, about how long ago did the first single-celled life form appear on Earth? O130 million years ago O1.5 billion years ago O2.5 billion years ago ​

Based on fossil evidence about how long ago did the first singlecelled life form appear on Earth O130 million years ago O15 billion years ago O25 billion years class=

Respuesta :

26nadiakozamel

Answer:

c

2.5million

Explanation:

I think because it says complex single life

bestiebuilds

The correct answer is 2.5 billion years ago.

I know I'm very late but I hope this helps someone!

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