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Barcode. A UPC-A barcode. A barcode or bar code is a method of representing data in a visual, machine-readable form. Initially, barcodes represented data by varying the widths, spacings and sizes of parallel lines. These barcodes, now commonly referred to as linear or one-dimensional (1D), can be scanned by special optical scanners, called ...
Ronny Lynn Jackson (born May 4, 1967) is an American physician, politician, and former United States Navy officer. He is the U.S. representative for Texas's 13th congressional district. [4] The district is based in Amarillo and includes the Panhandle and much of northeast Texas, as far as Denton .
BRICS is an intergovernmental organization comprising Brazil, Russia, India, China, South Africa, Iran, Egypt, Ethiopia, and the United Arab Emirates. Originally identified to highlight investment opportunities, [1] the grouping evolved into an actual geopolitical bloc, with their governments meeting annually at formal summits and coordinating ...
The five most abundant greenhouse gases in Earth's atmosphere, listed in decreasing order of average global mole fraction, are: [5] [6] water vapor, carbon dioxide, methane, nitrous oxide, ozone. Other greenhouse gases of concern include chlorofluorocarbons (CFCs and HCFCs ), hydrofluorocarbons (HFCs), perfluorocarbons, SF. 3.