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How old is the Great Sphinx?

The Great Sphinx of Giza, a giant limestone figure with the body of a lion and the head of a man wearing a pharaoh’s headdress, is the national symbol of Egypt—both ancient and modern—and one of the world’s most famous monuments. Despite its iconic status, geologists, archaeologists, Egyptologists and others continue to debate the Sphinx’s enduring “riddle”: Exactly how old is it?
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Toda información esencial que debes saber sobre ciudadanía americana

La ciudadanía americana da derechos, libertades, privilegios, protecciones, y también obligaciones, que son exclusivos de los ciudadanos de los Estados Unidos de América. En este artículo se brinda información sobre los 5 caminos que es posible seguir para obtener la ciudadanía americana, los derechos que da ser estadounidense, cómo se pierde la ciudadanía y qué problemas puede ocasionar la doble nacionalidad.
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Norway History - History

NORWAY Norway traces its proud history to the Vikings, whose legendary seafaring skills took them to almost every place reachable by water. Before the year 1000, the norse had traveled on sea voyages as far as Greenland, which was colonized then. Christianity came relatively late (the beginning of the 11th century) and soon, Norway had achieved the apex of its power.
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What Are the First 20 Elements?

One common chemistry assignment is to name or even memorize the first 20 elements and their symbols. The elements are ordered in the periodic table according to increasing atomic number. This is also the number of protons in each atom. These are the first 20 elements, listed in order: H - Hydrogen He - Helium Li - Lithium Be - Beryllium B - Boron C - Carbon N - Nitrogen O - Oxygen F - Fluorine Ne - Neon Na - Sodium Mg - Magnesium Al - Aluminum Si - Silicon P - Phosphorus S - Sulfur Cl - Chlorine Ar - Argon K - Potassium Ca - Calcium Element Symbols and Numbers The number of the element is its atomic number, which is the number of protons in each atom of that element.
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How to Fix a Dried out Sharpie

A Sharpie is a great permanent marker, but it's prone to drying out if you use it a lot or don't seal the cap perfectly. You can't wet the pen with water to get the ink flowing (a tip that works for water-based markers) because Sharpies rely on organic solvents to dissolve the ink and make it flow. So, before you throw out dead, dried-out Sharpies or other permanent markers, try this tip: Sharpie Rescue Materials 91% Rubbing Alcohol Dried Out Sharpie Pen Permanent markers contain organic solvents, which are notoriously bad about evaporating away before you get a chance to use all of the ink.
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