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The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2).
The Tiananmen Square protests, known in China as the June Fourth Incident, [1] [2] [a] were student-led demonstrations held in Tiananmen Square, Beijing, China, lasting from 15 April to 4 June 1989.
Euchloe penia, commonly known as the eastern greenish black-tip, is a butterfly in the family Pieridae. It is found in North Macedonia, Bulgaria, Greece, Turkey, Lebanon, Syria, and northern Iraq. The habitat consists of dry and warm rocky areas. Adults are a bright greenish off-yellow, with a wingspan of 32 to 36 millimetres (1.3 to 1.4 inches).
This list of Internet top-level domains (TLD) contains top-level domains, which are those domains in the DNS root zone of the Domain Name System of the Internet. A list of the top-level domains by the Internet Assigned Numbers Authority (IANA) is maintained at the Root Zone Database.[1] IANA also oversees the approval process for new proposed ...
Maslow's hierarchy of needs is an idea in psychology proposed by American psychologist Abraham Maslow in his 1943 paper "A Theory of Human Motivation" in the journal Psychological Review. [1] . Maslow subsequently extended the idea to include his observations of humans' innate curiosity.
Probability theory. In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while ...
Benjamin G. Whittaker (born 6 June 1997) [2] is an English professional boxer. As an amateur he won a silver medal at the 2020 Summer Olympics . Amateur career. In 2018, he was picked to represent England in the 2018 Commonwealth Games, which took place in Australia's Gold Coast. [3]
