When.com Web Search

Search results

  1. Results From The WOW.Com Content Network
  2. Oxygen reduction reaction - Wikipedia

    en.wikipedia.org/wiki/Oxygen_reduction_reaction

    The oxygen reduction reaction is an essential reaction for aerobic organisms. Such organisms are powered by the heat of combustion of fuel (food) by O 2.Rather than combustion, organisms rely on elaborate sequences of electron-transfer reactions, often coupled to proton transfer.

  3. Debt-to-GDP ratio - Wikipedia

    en.wikipedia.org/wiki/Debt-to-GDP_ratio

    At the end of the 1st quarter of 2021, the United States public debt-to-GDP ratio was 127.5%. [4] Two-thirds of US public debt is owned by US citizens, banks, corporations, and the Federal Reserve Bank; [5] approximately one-third of US public debt is held by foreign countries – particularly China and Japan.

  4. History of Boeing - Wikipedia

    en.wikipedia.org/wiki/History_of_Boeing

    It also noted a $1.7 billion rise in estimated MAX production costs, primarily due to higher costs associated with the reduced production rate. [ 142 ] [ 143 ] On November 18, 2019, Boeing (49%) and Embraer (51%) announced a joint venture to market the C-390 Millennium tactical transport aircraft, called Boeing Embraer – Defense , to operate ...

  5. Singapore - Wikipedia

    en.wikipedia.org/wiki/Singapore

    The English name of "Singapore" is an anglicisation of the native Malay name for the country, Singapura (pronounced), which was in turn derived from the Sanskrit word for 'lion city' (Sanskrit: सिंहपुर; romanised: Siṃhapura; Brahmi: 𑀲𑀺𑀁𑀳𑀧𑀼𑀭; literally "lion city"; siṃha means 'lion', pura means 'city' or 'fortress'). [9]