Earth
What is the name given to a fossil that best defines a rock layer's age?
More Questions from Earth
How long does it take for the Earth to rotate around completely on its axis?
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What front results when a cold front takes the area of a warm front?
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What is the estimate of the true age of a mineral or rock called?
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What theory proposes that Earth's landmasses were once connected and drifted apart?
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What is water treated with to prevent bacteria from growing?
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