Earth
What produces more energy than all the world's nuclear weapons combined?
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What theory proposes that Earth's landmasses were once connected and drifted apart?
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Which of these islands is not considered a "hot spot", according to plate tectonic theory?
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At what point would one be standing if the trees were stunted?
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What is compressed moss that turns blackish brown called?
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What is it called when a plant produces two kinds of sex cells?
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