2009
Résultats de recherche
Il y a 5 heures · A tornado is a violently rotating column of air that is in contact with both the surface of the Earth and a cumulonimbus cloud or, in rare cases, the base of a cumulus cloud. It is often referred to as a twister, whirlwind, or cyclone, [1] although the word cyclone is used in meteorology to name a weather system with a low-pressure area in the ...
Il y a 1 jour · Passenger pigeon. The passenger pigeon or wild pigeon (Ectopistes migratorius) is an extinct species of pigeon that was endemic to North America. Its common name is derived from the French word passager, meaning "passing by", due to the migratory habits of the species. The scientific name also refers to its migratory characteristics.
