900 million years ago, one day on Earth were only 18 hours long
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The Crater of Haleakala Volcano is the world’s largest known dormant volcano
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Humans can hear in the range of 20 Hz to 20,000 Hz
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The human heart beats about 100,000 times in one day
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The Hubble Telescope is 43 5 feet long, weighs 24000 pounds and cost $1.5 billion to launch
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There are over 50,000,000 whitetailed deer in North America
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There are about 13,500,00 neurons in a humans spinal cord
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