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According to the scientists, the Earth was formed about _____ years ago.
سائنسدانوں کے مطابق زمین تقریباً _____ سال پہلے بنی تھی۔
  1. 4.6 billion
  2. 5.6 million
  3. 3.5 billion
  4. 5.6 billion
Explanation

     Fifth largest planet in the solar system is: Earth

Earth is estimated to be 4.54 billion years old, plus or minus about 50 million years. Scientists have scoured the Earth searching for the oldest rocks to radiometrically date.



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