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A mixture of water and salt can be separated by distillation, with water as the distillate and salt as the solid residue. This is done by heating the water so it boils and leaves behind the salt. The water is cooled and the gas turns back to a pure liquid. [3] Impurities are usually physically removed from liquids and gases.
A crossword (or crossword puzzle) is a word game consisting of a grid of black and white squares, into which solvers enter words or phrases ("entries") crossing each other horizontally ("across") and vertically ("down") according to a set of clues. Each white square is typically filled with one letter, while the black squares are used to ...
Water purification combines a number of methods to produce potable or drinking water. Downstream processing refers to purification of chemicals, pharmaceuticals and food ingredients produced by fermentation or synthesized by plant and animal tissues, for example antibiotics, citric acid, vitamin E, and insulin.
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Just Give Me a Cool Drink of Water 'fore I Diiie (1971) is the first collection of poems by African-American writer and poet Maya Angelou.Many of the poems in Diiie were originally song lyrics, written during Angelou's career as a night club performer, and recorded on two albums before the publication of Angelou's first autobiography I Know Why the Caged Bird Sings (1969).
Taking this one stage further, the clue word can hint at the word or words to be abbreviated rather than giving the word itself. For example: "About" for C or CA (for "circa"), or RE. "Say" for EG, used to mean "for example". More obscure clue words of this variety include: "Model" for T, referring to the Model T.
Dimethylformamide, DMF is an organic compound with the chemical formula H C O N(CH 3) 2.Its structure is HC(=O)−N(−CH 3) 2.Commonly abbreviated as DMF (although this initialism is sometimes used for dimethylfuran, or dimethyl fumarate), this colourless liquid is miscible with water and the majority of organic liquids.
A few crosswords have achieved recognition beyond the community of crossword solvers. Perhaps the most famous is the November 5, 1996, puzzle by Jeremiah Farrell , published on the day of the U.S. presidential election , which has been featured in the movie Wordplay and the book The Crossword Obsession by Coral Amende, as well as discussed by ...