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Earth
How old is the earth?
Earth
How old is the earth?
40 billion years
1 billion years
5 million years
4.5 billion years
More Questions from Earth
Hanging valleys may occur in all of the following ways except?
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What is in the sky if it is overcast?
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In weather terms, what does the Fujita scale classify?
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What are ridges of rock debris caused by glacial action called?
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What percentage of rock-forming minerals are silicates?
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What type of rock is coal?
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A line of equal or constant air temperature is what?
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What was TIROS I, launched on April 1, 1960?
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