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A page from al-Khwarizmi's Al-Jabr During the Golden Age of Islam , especially during the 9th and 10th centuries, mathematics saw many important innovations building on Greek mathematics. The most notable achievement of Islamic mathematics was the development of algebra .
[139] [140] Buildings in this neighbourhood fell into disrepair after the Second World War [141] a large section of the neighbourhood was demolished during the construction of the metro system. This led to riots, and as a result the original plans for large-scale reconstruction were abandoned by the government.
Third-party apps available on Google Play and other app stores can extensively re-theme the home screen, [91] and even mimic the look of other operating systems, such as Windows Phone. [92] Most manufacturers customize the look and features of their Android devices to differentiate themselves from their competitors.
Most of the largest herbivorous specimens on record were discovered in the 1970s or later, and include the massive Argentinosaurus, which may have weighed 80 000 to 100 000 kilograms (88 to 110 short tons) and reached lengths of 30 to 40 meters (98 to 131 ft); some of the longest were the 33.5-meter (110 ft) long Diplodocus hallorum [142 ...
Its total fertility rate (TFR), once among the highest in the world, has experienced a dramatic decline, from 5.5 in 1985 to 3.7 in 1995, down to 2.0 in 2020, [224] which is below the sub-replacement fertility of 2.1. [225] The majority of Bangladeshis live in rural areas, with only 39% of the population living in urban areas as of 2021. [226]
Iran, [a] [b] officially the Islamic Republic of Iran (IRI) [c] and also known as Persia, [d] is a country in West Asia.It borders Turkey to the northwest and Iraq to the west, Azerbaijan, Armenia, the Caspian Sea, and Turkmenistan to the north, Afghanistan to the east, Pakistan to the southeast, the Gulf of Oman and the Persian Gulf to the south.
A uranium atom has 92 protons and 92 electrons, of which 6 are valence electrons. Uranium radioactively decays , usually by emitting an alpha particle . The half-life of this decay varies between 159,200 and 4.5 billion years for different isotopes , making them useful for dating the age of the Earth .