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ella [17]
3 years ago
13

Scientists think the earth is approximately _____ years old.

Chemistry
2 answers:
gizmo_the_mogwai [7]3 years ago
5 0
Scientist thinks the earth is approximately 4 1/2 years old.

diamong [38]3 years ago
4 0

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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