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  2. 800 (number) - Wikipedia

    en.wikipedia.org/wiki/800_(number)

    800 (number) 800 ( eight hundred) is the natural number following 799 and preceding 801 . It is the sum of four consecutive primes (193 + 197 + 199 + 211). It is a Harshad number, an Achilles number and the area of a square with diagonal 40. [1]

  3. Glossary of geography terms (A–M) - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_geography_terms...

    A peak or projection from the top of a hill or mountain, or any rounded protrusion of land, especially a small but prominent or isolated hill with steep sides; a boulder or an area of resistant rock protruding from the side of a hill or mountain. The term is used primarily in the southern United States. [5] knoll.

  4. North American Numbering Plan - Wikipedia

    en.wikipedia.org/wiki/North_American_Numbering_Plan

    The North American Numbering Plan ( NANP) is a telephone numbering plan for twenty-five regions in twenty countries, primarily in North America and the Caribbean. This group is historically known as World Zone 1 and has the telephone country code 1. Some North American countries, most notably Mexico, do not participate with the NANP.

  5. Toll-free telephone numbers in the North American Numbering ...

    en.wikipedia.org/wiki/Toll-free_telephone...

    Contents. Toll-free telephone numbers in the North American Numbering Plan. Toll-free telephone numbers in the North American Numbering Plan have the area code prefix 800, 833, 844, 855, 866, 877, and 888. Additionally, area codes 822, 880 through 887, and 889 are reserved for toll-free use in the future. 811 is excluded because it is a special ...

  6. Geography - Wikipedia

    en.wikipedia.org/wiki/Geography

    Geography (from Ancient Greek γεωγραφία geōgraphía; combining gê 'Earth' and gráphō 'write') is the study of the lands, features, inhabitants, and phenomena of Earth. [1] Geography is an all-encompassing discipline that seeks an understanding of Earth and its human and natural complexities —not merely where objects are, but also ...

  7. Alps - Wikipedia

    en.wikipedia.org/wiki/Alps

    An alp refers to a high mountain pasture, typically near or above the tree line, where cows and other livestock are taken to be grazed during the summer months and where huts and hay barns can be found, sometimes constituting tiny hamlets. Therefore, the term "the Alps", as a reference to the mountains, is a misnomer.

  8. Non-geographic telephone numbers in the United Kingdom

    en.wikipedia.org/wiki/Non-geographic_telephone...

    According to Ofcom, [72] UK consumers paid around £1.9 billion for calls to non-geographic numbers in 2009. Clients are attracted to 084 and 087 numbers because per minute revenue is generated for them from each call, and call queuing is permitted. Call centres may generate very high revenue from high call volumes.

  9. Savanna - Wikipedia

    en.wikipedia.org/wiki/Savanna

    Savanna. A savanna or savannah is a mixed woodland - grassland (i.e. grassy woodland) ecosystem characterised by the trees being sufficiently widely spaced so that the canopy does not close. The open canopy allows sufficient light to reach the ground to support an unbroken herbaceous layer consisting primarily of grasses.