Earth
What must happen for a tree to become a fossil?
More Questions from Earth
What is the mountain range that separates Spain from France?
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What color was the dust that swept the Great Plains?
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What natural disaster is caused by earthquakes but could also be caused by an asteroid?
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Which of these pairs of elements was discovered before the 14th century?
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What is a downburst covering an area smaller than 2.5 miles in diameter called?
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Which of these is not a type of coral-reef shoreline?
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