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Phosphorus is an essential mineral for humans listed in the Dietary Reference Intake (DRI). Food-grade phosphoric acid (additive E338 [104]) is used to acidify foods and beverages such as various colas and jams, providing a tangy or sour taste. The phosphoric acid also serves as a preservative. [105]
Fluorite (also called fluorspar) is the mineral form of calcium fluoride, CaF 2. It belongs to the halide minerals. It crystallizes in isometric cubic habit, although octahedral and more complex isometric forms are not uncommon. The Mohs scale of mineral hardness, based on scratch hardness comparison, defines value 4 as fluorite.
Natural gas. Natural gas (also called fossil gas, methane gas or simply gas) is a naturally occurring mixture of gaseous hydrocarbons consisting primarily of methane (97%) [1] in addition to various smaller amounts of other higher alkanes. Traces of carbon dioxide, nitrogen, hydrogen sulfide, and helium are also usually present. [2]
purple .ai. Purple is a UK-based technology firm that specializes in intelligent spaces. [1] [2] [3] The company offers a three core products guest WiFi, business analytics and digital wayfinding. Purple introduced social media logins in the WiFi login process, where a customer has to like or follow or promote the social media page of the ...
The word garnet comes from the 14th-century Middle English word gernet, meaning 'dark red'. It is borrowed from Old French grenate from Latin granatus, from granum ('grain, seed'). [3] This is possibly a reference to mela granatum or even pomum granatum (' pomegranate ', [4] Punica granatum ), a plant whose fruits contain abundant and vivid red ...
Internet TLD. .uk [l] The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom ( UK) or Britain, [m] is a country in Northwestern Europe, off the coast of the continental mainland. [21] [22] It comprises England, Scotland, Wales, and Northern Ireland.
The original Purple Heart, designated as the Badge of Military Merit, was established by George Washington – then the commander-in-chief of the Continental Army – by order from his Newburgh, New York, headquarters on 7 August 1782. The Badge of Military Merit was only awarded to three Revolutionary War soldiers by Washington himself.
The purple martin ( Progne subis) is a passerine bird in the swallow family Hirundinidae. It is the largest swallow in North America. Despite its name, the purple martin is not truly purple. The dark blackish-blue feathers have an iridescent sheen caused by the diffraction of incident light [2] giving them a bright blue to navy blue or deep ...