19. In the given figure AB|| CD. If angleOAB = 124°,
angleOCD = 136, then angleAOC = ?
(a) 80°
(b) 90°
(c) 100°
(d) 110°
136
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The Haber process, also called the Haber–Bosch process, is an artificial nitrogen fixation process and is the main industrial procedure for the production of ammonia today. It is named after its inventors, the German chemists Fritz Haber and Carl Bosch, who developed it in the first decade of the 20th centuThe heart is a muscular organ about the size of a fist, located just behind and slightly left of the breastbone. The heart pumps blood through the network of arteries and veins called the cardiovascular system.
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