Talking about the time of construction, the atmosphere of the Earth must have been completely different at that time. If you compare today, then it must have been very poisonous. Oxygen, which is currently the most important element for almost every organism living on Earth, will have a much later availability on Earth. This time is said to be 3 billion years ago. That is, life on earth came long before oxygen.
Fossils of micro -to micro -organisms are also said to be 3.8 billion years old. But scientists assume here that the environment required to support life on earth was born 4.3 billion years ago. But at the same time it has also been said that the geological and biological processes of the Earth present an infinite challenge to explore the life of such an old -time. That is, the evidence of life of that time is almost impossible.
Here the team of scientists enlisted the help of new resources which are called genomes of living organisms. Also, fossil records have also been searched for this. Scientists have tried to understand how Luca must have been alive in the atmosphere of that time. It must have been a single-cell organism that would not have nucleus, and it would have been dependent on non-oxygen-based metabolic processes to create acetate.
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