How did life on Earth arise and evolved?

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Today, science is trying to explain how life developed on the planet Earth. Scientists have a good understanding of human evolution, but how life itself emerged remains one of the greatest mysteries. If you've ever heard of the development of planet Earth, you'll know that the earth was formed as a result of frequent collisions with other celestial bodies about 4.5 billion years ago. Then it was a molten and highly toxic planet. Her environment was so toxic that she just couldn't sustain any life. But how is it possible that life could arise from nothing? What caused the initial development of life? Scientists know when life was born, but they can not yet answer the question of how life arose. The origin of life remains largely unknown. There are certain hypotheses, but there is no clear answer.