When could the first non:cellular forms of life have originated?

When could the first non:cellular forms of life have originated?
  1. 2 billion years ago
  2. 3 billion years ago
  3. 4 billion years ago
  4. 4.5 billion years ago

Solution

The first non:cellular forms of life could have originated 3 billion years back.

Asked in: NCERT

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