What evivence do we have for the origin of life from inanimate matter?

Explanation

An experiment conducted by Stanley L. Miller Harold C. Urey in 1953 proved that origin of life takes place from inanimate matter . They assembled the atmosphere containing `NH_(3),CH_(4) and H_(2)S` but no `O_(2)` over water . The was maintained at a temperature just below `100^(@)C` and sparks were passed through the mixture of gases . At end of a week , 15 % carbon from methane had the converted to simple compounds of carbon like amino acid which make up protein molecules . So life arose afresh earth .