normal crossing
41GÉNÉTIQUE — À quelques rares exceptions près, il n’est nul besoin d’être un biologiste professionnel pour discerner au premier coup d’œil un être vivant d’un objet inerte. Cette identification est liée à la perception d’un petit nombre d’attributs familiers …
42Northern Counties Committee — The Northern Counties Committee (NCC) was a railway that served the north east of Ireland. It was built to Irish gauge (1,600 mm (5 ft 3 in)) but later acquired a number of 914 mm (3 ft)  narrow gauge… …
43Hemoglobin — The oxygen carrying pigment and predominant protein in the red blood cells. Hemoglobin forms an unstable, reversible bond with oxygen. In its oxygenated state it is called oxyhemoglobin and is bright red. In the reduced state it is called… …
44Zugspitze — The Zugspitze massif from the west (left: the summit) Elevation 2,962 m (9,718 ft) …
45Traffic signal preemption — is a type of system that allows the normal operation of traffic lights to be preempted, often to assist emergency vehicles.[1][2] The most common use of these systems is to manipulate traffic signals in the path of an emergency vehicle, stopping… …
46physical science, principles of — Introduction the procedures and concepts employed by those who study the inorganic world. physical science, like all the natural sciences, is concerned with describing and relating to one another those experiences of the surrounding… …
47Italy — /it l ee/, n. a republic in S Europe, comprising a peninsula S of the Alps, and Sicily, Sardinia, Elba, and other smaller islands: a kingdom 1870 1946. 57,534,088; 116,294 sq. mi. (301,200 sq. km). Cap.: Rome. Italian, Italia. * * * Italy… …
48Waxy corn — (maize) was found in China in 1909. As this plant showed many peculiar traits, the American breeders long used it as a genetic marker to tag the existence of hidden genes in other maize breeding programs. In 1922 a researcher found that the… …
491997 Pacific hurricane season — Infobox hurricane season Basin=EPac Year=1997 Track=1997 Pacific hurricane season map.png First storm formed=June 1, 1997 Last storm dissipated=December 6, 1997 Strongest storm name=Linda Strongest storm winds=160 Strongest storm pressure=902… …
50Traffic Control — ➡ law enforcement * * * Introduction supervision of the movement of people, goods, or vehicles to ensure efficiency and safety. Traffic is the movement of people and goods from one location to another. The movement typically occurs… …
