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An elderly Bengali man in Dhaka with a beard dyed in henna. Henna is a reddish dye prepared from the dried and powdered leaves of the henna tree. [1] It has been used since at least the ancient Egyptian period as a hair and body dye, notably in the temporary body art of mehndi (or "henna tattoo") resulting from the staining of the skin using dyes from the henna plant.
Internet Explorer 8 is the first version of IE to pass the Acid2 test, the last of the major browsers to do so. (In the later Acid3 Test, it only scores 24/100.) It is also the last version of Internet Explorer to support Windows XP SP2–SP3, Windows XP x64 Edition SP2, Windows Server 2003 SP2, Windows Vista RTM–SP1, and Windows Server 2008 ...
This could lead to toxin build-up (bioaccumulation) in the food chain and have long reaching negative effects. Smoldering cigarette filters have also been blamed for triggering fires from residential areas [ 172 ] to major wildfires and bushfires which has caused major property damage and also death [ 173 ] [ 174 ] [ 175 ] as well as disruption ...
The symmetry of a carbon dioxide molecule is linear and centrosymmetric at its equilibrium geometry. The length of the carbon–oxygen bond in carbon dioxide is 116.3 pm, noticeably shorter than the roughly 140 pm length of a typical single C–O bond, and shorter than most other C–O multiply bonded functional groups such as carbonyls. [19]