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Instagram [a] is a photo and video sharing social networking service owned by Meta Platforms.It allows users to upload media that can be edited with filters, be organized by hashtags, and be associated with a location via geographical tagging.
WeChat or Weixin in Chinese (Chinese: 微信; pinyin: Wēixìn (listen ⓘ); lit. 'micro-message') [a] is a Chinese instant messaging, social media, and mobile payment app developed by Tencent.
Quantum mechanics is a fundamental theory that describes the behavior of nature at and below the scale of atoms. [2]: 1.1 It is the foundation of all quantum physics, which includes quantum chemistry, quantum field theory, quantum technology, and quantum information science.
A web page from Wikipedia displayed in Google Chrome. The World Wide Web (WWW or simply the Web) is an information system that enables content sharing over the Internet through user-friendly ways meant to appeal to users beyond IT specialists and hobbyists. [1]
China, [i] officially the People's Republic of China (PRC), [j] is a country in East Asia.With a population exceeding 1.4 billion, it is the world's second-most populous country after India, representing 17.4% of the world population.
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In chemistry, pH (/ p iː ˈ eɪ tʃ / pee-AYCH), also referred to as acidity or basicity, historically denotes "potential of hydrogen" (or "power of hydrogen"). [1] It is a logarithmic scale used to specify the acidity or basicity of aqueous solutions.
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