The lowest temperature on Earth was -128.6 degrees F (-89.6 degrees C) in Antarctica in 1983.

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The deepest part of the ocean is 35,813 feet (10,916 meters) deep and occurs in the Mariana Trench in the Pacific Ocean. At that depth the pressure is 18,000 pounds (9172 kilograms) per square inch.

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Which of the 50 states has never had an earthquake? North Dakota.

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At the ocean's deepest point, due to immense pressure, an iron ball would take more than an hour to sink to the ocean floor.

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The temperature in fahrenheit can be determined by counting the number of cricket chirps in 14 seconds and adding 40.

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The heaviest human brain ever recorded weighed 5 lb. 1.1 oz. (2.3 kg.).

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Antarctica is the only continent that does not have land areas below sea level.

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Without any greenhouse effect, Earth would be cold and lifeless with an average temperature of 0.4 degrees Fahrenheit.

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A day on Mercury, from sunrise to sunset, lasts about six Earth months.

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According to experts, large caves tend to "breathe"; they inhale and exhale great quantities of air when the barometric pressure on the surface changes, and air rushes in or out seeking equilibrium.

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