There is no clear evidence of how life began on earth.Till date it is not clear that metabolism came first or genetics.Scientists believe that life formed on earth 3900 million years ago only through natural process.Most of the scientists believe that life must have started in ponds on earth.Few scientists argue that life began in the universe & was carried on earth.Well today also it a big topic of discussion that how did life started.
These are just some questions that scientists have grappled with over the years and there are many more unanswered ones which will keep these scientists occupied for decades after this blog post is published.
One of the great mysteries of science is what existed before life. Earth accepted to be one of many planets in the universe, but was it home to any other kind of life? Did life begin because materials were available, or did it exist independently for some time? How old is our planet? When did it first form into a suitable place for us to live on? We may never know the true answer to these questions, but we can present our opinions about how Earth became home.
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