Earth
What is the name given to a fossil that best defines a rock layer's age?
More Questions from Earth
Which body part is also a name for the center of a hurricane?
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Rapidly descending air beneath a thunderstorm is what?
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What organic material is formed from decaying organisms that mix with rocks?
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Advection, freezing and radiation are types of what weather phenomenon?
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What polluting material can choke an animal by getting caught around its neck?
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What molecules in fossil fuels are made from carbon and hydrogen?
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