unpolluted

  • 21Maiden speech — Maiden Maid en, a. 1. Of or pertaining to a maiden, or to maidens; suitable to, or characteristic of, a virgin; as, maiden innocence. Amid the maiden throng. Addison. [1913 Webster] Have you no modesty, no maiden shame ? Shak. [1913 Webster] 2.… …

    The Collaborative International Dictionary of English

  • 22Maiden tower — Maiden Maid en, a. 1. Of or pertaining to a maiden, or to maidens; suitable to, or characteristic of, a virgin; as, maiden innocence. Amid the maiden throng. Addison. [1913 Webster] Have you no modesty, no maiden shame ? Shak. [1913 Webster] 2.… …

    The Collaborative International Dictionary of English

  • 23maiden voyage — Maiden Maid en, a. 1. Of or pertaining to a maiden, or to maidens; suitable to, or characteristic of, a virgin; as, maiden innocence. Amid the maiden throng. Addison. [1913 Webster] Have you no modesty, no maiden shame ? Shak. [1913 Webster] 2.… …

    The Collaborative International Dictionary of English

  • 24Acid rain — is rain or any other form of precipitation that is unusually acidic. It has harmful effects on plants, aquatic animals, and infastructure. Acid rain is mostly caused by human emissions of sulfur and nitrogen compounds which react in the… …

    Wikipedia

  • 25Thunderstorm — Electrical storm redirects here. For other uses, see Electrical storm (disambiguation). A typical thunderstorm A thunderstorm, also known as an electrical storm, a lightning storm, thundershower or simply a storm is a form of weather… …

    Wikipedia

  • 26Storm — Windstorm redirects here. For the type of storm in Europe, see European windstorm. For the Gloria Jones album, see Windstorm (album). For other uses, see Storm (disambiguation). A shelf cloud associated with a heavy or severe thunderstorm over… …

    Wikipedia

  • 27Bernard Kettlewell — Henry Bernard Davis Kettlewell (24 February 1907 1979) was a British geneticist, lepidopterist and medical doctor, who carried out important research into the influence of industrial melanism on natural selection in moths, showing why moths are… …

    Wikipedia

  • 28Skyglow — (or sky glow), is a kind of light pollution, visible by the glowing effect seen in the skies over many cities and towns as a dome of light. Light domes can also appear above over illuminated rural shopping centers, stadia, and the like. Skyglow… …

    Wikipedia

  • 29Peppered moth evolution — This article is about the peppered moth s significance in evolutionary biology. For its evolutionary ancestry, see Insect evolution. Biston betularia f. typica, the white bodied peppered moth …

    Wikipedia

  • 30River Poulter — River The ford at Crookford, where a track crosses the Poulter …

    Wikipedia