Question

The first cellular forms of life appeared on earth about

Answer 1

Answer:

It appears that life first emerged at least 3.8 billion years ago,

Explanation:

It was formed about 750 million years ago when earth was formed.

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Answer 2

The earliest time that life forms first appeared on Earth is at least 3.77 billion years ago, possibly as early as 4.28 billion years, or even 4.41 billion years—not long after the oceans formed 4.5 billion years ago, and after the formation of the Earth 4.54 billion years ago.