Earth

What theory proposes that Earth's landmasses were once connected and drifted apart?

More Questions from Earth
How long does it take earth to revolve around the sun?
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What was the Great Plains of the U.S. called in the 1930's because of erosion?
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What hurricane demolished Homestead, Florida, in 2002?
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Which of these is a warm spell of weather when ice and snow melt?
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How many continents does Earth have?
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What is not an example of a halide?
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What is a person called who specializes in the physical structure and process of the earth?
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A 17.5-inch hailstone was recorded in what U.S. state?
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