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The earliest of life forms that was discovered is 3.77 billion years old which left the signal of their presence on rocks. Although the earliest of life forms was discovered dating back to 3.77 billion years ago, the speculation of life forms appearing can be as early as 4.1 billion years ago.
The earliest of life forms that was discovered is 3.77 billion years old which left the signal of their presence on rocks. Although the earliest of life forms was discovered dating back to 3.77 billion years ago, the speculation of life forms appearing can be as early as 4.1 billion years ago.
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