World Languages, asked by loveudear, 10 months ago

About how old is Earth?
A. 4.0 billion years old
B. 4.5 billion years old
C. 5.0 billion years old

Answers

Answered by gaytrimathurkar

Answer:

4.5 billions years. ago life is made on earth

starting the environment changes

Answered by pratik1332

Answer:

B. 4.5 billion years old

Explanation:

An age of 4.55 ± 0.07 billion years, very close to today's accepted age, was determined by Clair Cameron Patterson using uranium-lead isotope dating (specifically lead-lead dating) on several meteorites including the Canyon Diablo meteorite and published in 1956.

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