The origins of life on our planet shows that life began about 3.5 billion years ago.
The origin of life on Earth can be considered as one of the mysteries in the universe. In order to determine the origin of life, scientists studied the planet.
This was done by seeking out fossil life on planets and the measurement of the atmosphere. It was realized that life began about 3.5 billion years ago. This was the age of the oldest rock that had a fossil evidence of life.
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