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By the end of the 21st century, temperatures may increase to a level last seen in the mid-Pliocene. This was around 3 million years ago. [28]: 322 At that time, mean global temperatures were about 2–4 °C (3.6–7.2 °F) warmer than pre-industrial temperatures. The global mean sea level was up to 25 metres (82 ft) higher than it is today.
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Triple Award Science, commonly referred to as Triple Science, results in three separate GCSEs in Biology, Chemistry and Physics and provide the broadest coverage of the main three science subjects. The qualifications are offered by the five main awarding bodies in England; AQA , Edexcel , OCR , CIE and Eduqas .
The new combined science from CCEA since the GCSE reforms retains the same name as its predecessor. [37] The specification document presents the science curriculum in the traditional disciplines of biology, chemistry and physics. The exam is the most extensive of the GCSE science boards; made up of nine papers and three practical exams.
In political science during the 20th century, the study of ideology, behaviouralism and international relations led to a multitude of 'pol-sci' subdisciplines including rational choice theory, voting theory, game theory (also used in economics), psephology, political geography/geopolitics, political anthropology/political psychology/political ...
In 2002, the Partnership for 21st Century Skills (then Partnership for 21st Century Learning, or P21.org, now disbanded) was founded as a non-profit organization by a coalition that included members of the national business community, education leaders, and policymakers: the National Education Association (NEA), United States Department of ...
21 Lessons for the 21st Century is a book written by Israeli author Yuval Noah Harari and published in August 2018 by Spiegel & Grau [1] in the US and by Jonathan Cape [2] in the UK. It is dedicated to the author's husband, Itzik. The book consists of five parts, each containing four or five essays.
VCRs were popularized in the 1970s, but by the end of the 20th century, DVD players were beginning to replace them, making the VHS obsolete by the end of the first decade of the 21st century. The first airplane was flown in 1903. With the engineering of the faster jet engine in the 1940s, mass air travel became commercially viable.