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14 godz. temu · Size of this PNG preview of this SVG file: 499 × 481 pixels. Other resolutions: 249 × 240 pixels | 498 × 480 pixels | 797 × 768 pixels | 1,062 × 1,024 pixels | 2,125 × 2,048 pixels . Original file (SVG file, nominally 499 × 481 pixels, file size: 25 KB)
14 godz. temu · Wind power is the use of wind energy to generate useful work. Historically, wind power was used by sails, windmills and windpumps, but today it is mostly used to generate electricity.This article deals only with wind power for electricity generation. Today, wind power is generated almost completely with wind turbines, generally grouped into wind farms and connected to the electrical grid.
14 godz. temu · Ammonia is an inorganic chemical compound of nitrogen and hydrogen with the formula N H 3.A stable binary hydride and the simplest pnictogen hydride, ammonia is a colourless gas with a distinctive pungent smell. Biologically, it is a common nitrogenous waste, and it contributes significantly to the nutritional needs of terrestrial organisms by serving as a precursor to fertilisers.
