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Hace 4 días · Deforestation or forest clearance is the removal and destruction of a forest or stand of trees from land that is then converted to non-forest use. [1] Deforestation can involve conversion of forest land to farms, ranches, or urban use. About 31% of Earth's land surface is covered by forests at present. [2]
Hace 2 días · Atherosclerosis [a] is a pattern of the disease arteriosclerosis, [8] characterized by development of abnormalities called lesions in walls of arteries. These lesions may lead to narrowing of the arterial walls due to buildup of atheromatous plaques. [9] [10] At onset there are usually no symptoms, but if they develop, symptoms generally begin ...
Hace 2 días · Wikipedia's first true logo was an image originally submitted by Bjørn Smestad – under the username Bjornsm – for a Nupedia logo competition which took place in 2000. It was used provisionally as Wikipedia's logo until the end of 2001. The logo included a quote from the preface of the 1879 book Euclid and his Modern Rivals by Lewis Carroll
Hace 4 días · An entrepreneur ( French: [ɑ̃tʁəpʁənœʁ]) is an individual who creates and/or invests in one or more businesses, bearing most of the risks and enjoying most of the rewards. [1] The process of setting up a business is known as "entrepreneurship". The entrepreneur is commonly seen as an innovator, a source of new ideas, goods, services ...
Hace 1 día · Portugal, [e] officially the Portuguese Republic, [f] is a country located on the Iberian Peninsula, in Southwestern Europe, and whose territory also includes the Macaronesian archipelagos of the Azores and Madeira. It features the westernmost point in continental Europe, its mainland west and south border with the North Atlantic Ocean and in ...
Hace 2 días · Africa. Africa is the world's second largest and second-most populous continent after Asia. At about 30.3 million km 2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth 's land area and 6% of its total surface area. [7] With 1.4 billion people [1] [2] as of 2021, it accounts for about 18% of the world's human ...
Hace 1 día · PHP is a general-purpose scripting language that is especially suited to server-side web development, in which case PHP generally runs on a web server. Any PHP code in a requested file is executed by the PHP runtime, usually to create dynamic web page content or dynamic images used on websites or elsewhere. [281]
