Estimates of the age of Earth,taken from meteorites,date our planet to be approximately ________ years old.The BEST estimate of when life emerged,based on extrapolation of known and verifiable fossils,is approximately ________ years ago.In essence,then,life emerged approximately ________ years after Earth formed.

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The Answer of Estimates of the age of Earth,taken from meteorites,date our planet to be approximately ________ years old.The BEST estimate of when life emerged,based on extrapolation of known and verifiable fossils,is approximately ________ years ago.In essence,then,life emerged approximately ________ years after Earth formed.

Estimates of the Age of Earth,taken from Meteorites,date Our Planet