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Earth
How old is the earth?
Earth
How old is the earth?
40 billion years
1 billion years
4.5 billion years
5 million years
More Questions from Earth
What word is generally used to describe visible air pollution?
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What "foggiest" world capital averages 47 fogs a year?
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What kind of scientist studies weather and climate?
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What is the study of plant life called?
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What is another name for Mt. Kilimanjaro?
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What is petroleum as found in the earth, before it is refined?
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What is the hard, dark substance found in the ground that is mined for fuel?
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Which of the following is not a major component of an ecosystem?
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