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  1. 14 hours ago · The entire Axis forces, 3.8 million personnel, deployed across a front extending from the Arctic Ocean southward to the Black Sea, were all controlled by the OKH and organised into Army Norway, Army Group North, Army Group Centre and Army Group South, alongside three Luftflotten (air fleets, the air force equivalent of army groups) that ...

  2. en.wikipedia.org › wiki › AnthropoceneAnthropocene - Wikipedia

    14 hours ago · The Anthropocene ( / ˈænθrəpəˌsiːn, ænˈθrɒpə -/ [1] [2] [3]) is the common name for a proposed geological epoch, dating from the commencement of significant human impact on Earth up to the present day. It affects Earth's geology, landscape, limnology, ecosystems and climate. [4] [5] The effects of human activities on Earth can be ...

  3. en.wikipedia.org › wiki › 20012001 - Wikipedia

    14 hours ago · 2001 ( MMI) was a common year starting on Monday of the Gregorian calendar, the 2001st year of the Common Era (CE) and Anno Domini (AD) designations, the 1st year of the 3rd millennium and the 21st century, and the 2nd year of the 2000s decade. The year's most prominent event was the September 11 attacks against the United States by Al-Qaeda ...

  4. en.wikipedia.org › wiki › Carbon_cycleCarbon cycle - Wikipedia

    14 hours ago · Carbon cycle. The carbon cycle is that part of the biogeochemical cycle by which carbon is exchanged among the biosphere, pedosphere, geosphere, hydrosphere, and atmosphere of Earth. Other major biogeochemical cycles include the nitrogen cycle and the water cycle. Carbon is the main component of biological compounds as well as a major component ...

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  5. en.wikipedia.org › wiki › WildfireWildfire - Wikipedia

    14 hours ago · Wildfire near Yosemite National Park, United States, in 2013. The Rim Fire burned more than 250,000 acres (1,000 km 2) of forest. A wildfire, forest fire, bushfire, wildland fire or rural fire is an unplanned, uncontrolled and unpredictable fire in an area of combustible vegetation. [1] [2] Depending on the type of vegetation present, a ...

  6. 14 hours ago · Microplastics are fragments of any type of plastic less than 5 mm (0.20 in) in length, [1] according to the U.S. National Oceanic and Atmospheric Administration (NOAA) [2] [3] and the European Chemicals Agency. [4] They cause pollution by entering natural ecosystems from a variety of sources, including cosmetics, clothing, food packaging, and ...

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