the change in contact resistance
51Antibiotic resistance — is a type of drug resistance where a microorganism is able to survive exposure to an antibiotic. While a spontaneous or induced genetic mutation in bacteria may confer resistance to antimicrobial drugs, genes that confer resistance can be… …
52Sudan, The — officially Republic of the Sudan Country, North Africa. Area: 966,757 sq mi (2,503,890 sq km). Population (2002 est.): 37,090,000. Capital: Khartoum. Muslim Arab ethnic groups live in the northern and central two thirds of the country, while… …
53Pesticide resistance — is the adaptation of pest species targeted by a pesticide resulting in decreased susceptibility to that chemical. In other words, pests develop a resistance to a chemical through artificial selection; after they are exposed to a pesticide for a… …
54Military history of the Warsaw Uprising — Warsaw Uprising Prelude Military description Military units involved Lack of outside support Capitulation Aftermath Planned destruction of Warsaw People …
55Women in the American Revolution — How it happened The American Revolution happened after Britain placed the Coercive Acts onto the colonies. The Americans responded by forming the Continental Congress and fighting with the British armies. However, the war would not have been able …
56March to the Stars —   …
57List of The Tribe characters — Main cast and characters from Series 5. This article contains detailed descriptions of characters of the teen sci fi TV show The Tribe. Like many other soaps the series had a large number of characters that increased as the series progressed.… …
58German declaration of war against the Netherlands — At 6:00 AM (Amsterdam Time) on 10 May 1940, during the Battle of the Netherlands, the German envoy Count Zech von Burkensroda gave Dutch minister of foreign affairs Van Kleffens the following German declaration of war. It was only later… …
59Wars of Alexander the Great — Alexander fighting Persian king Darius III. From Alexander Mosaic of Pompeii, Naples, Naples National Archaeol …
60Gunfight at the O.K. Corral — For the film, see Gunfight at the O.K. Corral (film). Tombstone in 1881 …
