Hilae7bbr0ake Hilae7bbr0ake

18-01-2016
Chemistry

Answered

Scientists think the earth is approximately _____ years old.

2 billion

3 billion

4 ½ billion

6 ½ billion

Verified Answer :

Anonymous Anonymous

18-01-2016

scientist thinks the earth is approximately 4 1/2 years old.

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Ishankahps Ishankahps

09-08-2018

Answer is 4 ½ billion.

Scientists think the earth's age is 4 ½ billion. This calculation is based on the radioactive dating. Since the formation of the earth, the time period has been divided into 3 major geological time periods as eon. They are phanerozoic, proterozoic and archean.

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