Earth
What is the name given to a fossil that best defines a rock layer's age?
More Questions from Earth
Which of these pairs of elements was discovered before the 14th century?
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How many times does lightning strike the Earth every second?
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What is the low pressure area along the equator called?
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Who published the book "The Theory of the Earth" in 1795?
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What is the hard, dark substance found in the ground that is mined for fuel?
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What type of clouds are thick and puffy and can sometimes turn into thunderstorms?
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