The earth is about ________ old.
A)2.5 million years
B)4.6 billion years
C)1 million years
D)50 billion years

Name: The earth is about ________ old. A)2.5 million years B)4.6 billion years C)1 million years D)50 billion years
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Question

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The age of the earth is estimated to be around 4.6 billion years based on various scientific methods and evidence, such as radioactive dating of rocks and meteorites. Option A, C, and D are too low or too high to be a reasonable estimate for the age of the earth.

The Earth Is About ________ Old