Which of the Following discoveries would force scientists to revise their present theories regarding the origin of life on earth?
A. The earth is found to be billion years old, rather than 4.6 billion
B. Polypertides can catalyse replication of small RNA molecules
C. There was a lot of oxygen gas in the atmosphere 4 billion years ago
D. Minerals in lava catalyse formation of polypeptides from amino acids.
