origin of life on earth

Life on Earth is believed to have originated about 4 billion years ago, but until now scientists still do not have accurate evidence of the origin that promoted life.

According to the theory of scientist Charles Darwin, life can be formed in a 'warm lake' filled with salt, light, temperature ... But this hypothesis may not be accurate.

Scientists claim to have discovered fossils of some living things thought to have appeared on Earth about 4 billion years ago.