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71Bird conservation — is a field in the science of conservation biology related to threatened birds. Humans have had a profound effect on many bird species. Over one hundred species have gone extinct in historical times, although the most dramatic human caused… …
72April 10-11, 2001 tornado outbreak — Infobox tornado outbreak|name=April 10 11, 2001 tornado outbreak date=April 10 11, 2001 image location=April 10,11 2001.png duration=48 hours fujitascale=F3 tornadoes=79 [ [http://www.tornadohistoryproject.com/tornado.php?yr=2001 mo=4 day=10… …
73Adriatic Campaign of World War I — The Adriatic Campaign of World War I was a naval campaign fought during World War I between the Austro Hungarian Navy, and the Mediterranean squadrons of the United Kingdom, France, and the Kingdom of Italy. It consisted mainly of Austro… …
74Abrasive blasting — Sandblasting a stone wall Diesel powered compressor used as an air supply for sandblasting …
752008 Super Tuesday tornado outbreak — Infobox tornado outbreak name = 2008 Super Tuesday Tornado Outbreak image location = Noaa outbreak graphic.png date = February 5–6, 2008 duration = 15 hours, 20 minutes fujitascale = EF4 tornadoes = 87 confirmed total damages (USD) = ≥$507… …
76Supermarine Spitfire operational history — November 1942 photo of a very early Mk IXb of 306 (Polish) Toruński Squadron. Main article: Supermarine Spitfire The Supermarine Spitfire, the only British fighter to be manufactured before, during and after the Second World War, was designed as… …
77Gaza–Israel conflict — The Gaza–Israel conflict is an on going conflict that escalated during the Second Intifada and is a component of the larger Israeli Palestinian conflict. Its distinction from the conflict in the West Bank became more obvious following Israel s… …
782008 Panzhihua earthquake — Earthquake title = 2008 Panzhihua earthquake date = August 30, 2008 magnitude = 6.1 Ms (CEA);] ] 5.7 Mw (USGS)] depth = 10 km location = coord|26.0|N|101.9|E (Renhe (zh s|仁和), Panzhihua, Sichuan) countries affected = PRC intensity = Liedu VIII… …
79Australia — /aw strayl yeuh/, n. 1. a continent SE of Asia, between the Indian and the Pacific oceans. 18,438,824; 2,948,366 sq. mi. (7,636,270 sq. km). 2. Commonwealth of, a member of the Commonwealth of Nations, consisting of the federated states and… …
80cañada — /keuhn yah deuh, yad euh/, n. Chiefly Western U.S. 1. a dry riverbed. 2. a small, deep canyon. [1840 50; < Sp, equiv. to cañ(a) CANE + ada n. suffix] * * * Canada Introduction Canada Background: A land of vast distances and rich natural resources …
