Earth
What activity allows humans to go underwater with oxygen tanks and a wetsuit?
More Questions from Earth
Which of the following lakes has a higher salt content than normal?
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What type of boundary is made by the Mariana Trench?
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Which of these types of energy is cleanest and causes the least pollution?
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From which does the Global Positioning System receive its information?
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What theory proposes that Earth's landmasses were once connected and drifted apart?
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How long does it take for the Earth to rotate around completely on its axis?
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