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Israel (Hebrew: יִשְׂרָאֵל‎, Yisrā'el; Arabic: إِسْرَائِيلُ‎, Isrā'īl), officially the State of Israel (Hebrew: מְדִינַת יִשְׂרָאֵל, Medīnat Yisrā'el; Arabic: دَوْلَةُ إِسْرَائِيلَ‎, Dawlat Isrā'īl), is a parliamentary republic in the Middle East located on the eastern shore of the Mediterranean Sea...

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Africa is the world's second-largest and second most-populous continent, after Asia. At about 30.2 million km² (11.7 million sq mi) including adjacent islands, it covers 6% of the Earth's total surface area and 20.4% of the total land area. With a billion people (as of 2009, see table) in 61 territories, it accounts for about 14.72% of the World's human population...

A roof is the covering on the uppermost part of a building. A roof protects the building and its contents from the effects of weather. Structures that require roofs range from a letter box to a cathedral or stadium, dwellings being the most numerous. In most countries a roof protects primarily against rain. Depending upon the nature of the building, the roof may also protect against heat, sunlight, cold, snow and wind...

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