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9 hours ago · Properties and chemistry DDT is similar in structure to the insecticide methoxychlor and the acaricide dicofol. It is highly hydrophobic and nearly insoluble in water but has good solubility in most organic solvents, fats and oils. DDT does not occur naturally and is synthesised by consecutive Friedel–Crafts reactions between chloral (CCl 3 CHO) and two equivalents of chlorobenzene (C 6 H 5 ...
9 hours ago · Etymology The English word sun developed from Old English sunne. Cognates appear in other Germanic languages, including West Frisian sinne, Dutch zon, Low German Sünn, Standard German Sonne, Bavarian Sunna, Old Norse sunna, and Gothic sunnō. All these words stem from Proto-Germanic * sunnōn. This is ultimately related to the word for sun in other branches of the Indo-European language ...
9 hours ago · Frank Vincent Zappa (/ ˈ z æ p ə / ZAP-ə; December 21, 1940 – December 4, 1993) was an American musician, composer, and bandleader.In a career spanning more than 30 years, Zappa composed rock, pop, jazz, jazz fusion, orchestral and musique concrète works; he also produced almost all of the 60-plus albums that he released with his band the Mothers of Invention and as a solo artist.
