Earth
What two countries lie on opposite sides of the Juan de Fuca Strait?
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What type of topography describes caves, caverns, and sinkholes?
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What submersible helped to discover the wreckage of the Titanic in 1986?
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What clouds have bases between 6,000 and 18,000 feet?
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What are large volcanoes that rise from the sea floor called?
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At what point would one be standing if the trees were stunted?
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What is the name of any body of igneous rock named for the Roman god of the underworld?
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A vine disease caused by a fungus that attacks the green part of the vine is called?
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What weather-related season is between June 1 and November 30 in North America?
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How many geysers is Yellowstone National Park home to?
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What type of energy sources can't be replaced readily within a 30-year span?
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What is an underwater boat with its own power and air supply called?
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What is the most photographed, painted, and scaled mountain in the world?
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What type of boundary is made by the Mariana Trench?
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What theory proposes that Earth is made of plates that move?
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What's the name for the weight of air pushing down on Earth's surface?
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