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प्रश्न
After about how many years of the formation of the earth, did life appear on this planet?
पर्याय
50 million years
500 million years
50 billion years
500 billion years
MCQ
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उत्तर
500 billion years
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या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
