Biology · Origin of Life

Regarding the scientific timeline for the origin of life on early Earth, consider the following statements: A. The possibility of life traces before 3.8 billion years ago was always widely accepted without skepticism. B. A long-standing narrative suggested that life could only establish a permanent foothold after the Late Heavy Bombardment ended. C. Purported biogenic evidence from rocks older than 3.5 billion years has frequently faced intense scientific scrutiny and debate regarding its reliability. Which of the statements given above are correct?

Verified Solution4 OptionsUpdated: October 2026👁️1 View

Correct answer

Only B and C

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