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0 (zero) is a number representing an empty quantity. Adding 0 to any number leaves that number unchanged. In mathematical terminology, 0 is the additive identity of the integers, rational numbers, real numbers, and complex numbers, as well as other algebraic structures. Multiplying any number by 0 has the result 0, and consequently, division ...
Wi-Fi ( / ˈwaɪfaɪ /) [1] [a] is a family of wireless network protocols based on the IEEE 802.11 family of standards, which are commonly used for local area networking of devices and Internet access, allowing nearby digital devices to exchange data by radio waves. These are the most widely used computer networks, used globally in home and ...
South Africa, officially the Republic of South Africa (RSA or R.S.A.), is the southernmost country in Africa.It is bounded to the south by 2,798 kilometres (1,739 mi) of coastline that stretches along the South Atlantic and Indian Oceans; to the north by the neighbouring countries of Namibia, Botswana, and Zimbabwe; and to the east and northeast by Mozambique and Eswatini.
South Dakota (/ d ə ˈ k oʊ t ə / də-KOH-tə; Sioux: Dakȟóta itókaga, pronounced [daˈkˣota iˈtokaga]) is a landlocked state in the North Central region of the United States.It is also part of the Great Plains.South Dakota is named after the Dakota Sioux tribe, which comprises a large portion of the population with nine reservations currently in the state and has historically ...
Dubai (/ d uː ˈ b aɪ /, doo-BY; Arabic: دبي, romanized: Dubayy, IPA:, Gulf Arabic pronunciation:) is the most populous city in the United Arab Emirates (UAE) and the capital of the Emirate of Dubai, the most populated of the country's seven emirates. Established in ...
Singapore, officially the Republic of Singapore, is an island country and city-state in maritime Southeast Asia.It is located about one degree of latitude (137 kilometres or 85 miles) north of the equator, off the southern tip of the Malay Peninsula, bordering the Strait of Malacca to the west, the Singapore Strait to the south along with the Riau Islands in Indonesia, the South China Sea to ...
Biology is the scientific study of life.[1][2][3] It is a natural science with a broad scope but has several unifying themes that tie it together as a single, coherent field.[1][2][3] For instance, all organisms are made up of cells that process hereditary information encoded in genes, which can be transmitted to future generations. Another ...
