Question

when did life originated on earth? ​

Answer 1

4.4 billion years ago

Therefore, if life originated on Earth, this happened sometime between 4.4 billion years ago, when water vapor first liquefied, and 3.5 billion years ago.

Answer 2

Answer:

3.5 billion years ago

The age of the Earth is approximately 4.54 billion years; the earliest undisputed evidence of life on Earth dates from at least 3.5 billion years ago, and possibly as early as the Eoarchean Era (between 3.6 and 4.0 billion years ago), after geological crust started to solidify following the molten Hadean Eon.

Explanation:

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