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13 hours ago · Social media. Social media are interactive technologies that facilitate the creation, sharing and aggregation of content, ideas, interests, and other forms of expression through virtual communities and networks. [1] [2] Common features include: [2] Online platforms that enable users to create and share content and participate in social networking.
13 hours ago · The Strasbourg Cathedral in France, completed in 1439, was the world's tallest building until 1874. The first skyscraper was pioneered in Chicago with the 138 ft (42.1 m) Home Insurance Building in 1885. The United States would remain the location of the world's tallest building throughout the 20th century until 1998, when the Petronas Towers ...
13 hours ago · Music is the arrangement of sound to create some combination of form, harmony, melody, rhythm, or otherwise expressive content. [1] [2] [3] Music is generally agreed to be a cultural universal that is present in all human societies. [4] Definitions of music vary widely in substance and approach. [5]
13 hours ago · Mollusca is the second-largest phylum of invertebrate animals, after Arthropoda; members are known as molluscs or mollusks [a] ( / ˈmɒləsks / ). Around 76,000 extant species of molluscs are recognized. [3] The number of fossil species is estimated between 60,000 and 100,000 additional species. [4] The proportion of undescribed species is ...
13 hours ago · 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 ...
