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121Summation — For evaluation of sums in closed form see evaluating sums. : Summation is also a term used to describe a process in synapse biology. Summation is the addition of a set of numbers; the result is their sum or total . The numbers to be summed may be …
122Chelicerae — Phidippus audax jumping spider: The basal parts of the chelicerae are the two iridescent green mouthparts. The chelicerae (   …
123Nozzle — Rocket nozzle. Water nozzle. A nozzle is a device design …
124HIV and AIDS misconceptions — The spread of HIV and AIDS has affected millions of people worldwide; According to the 2006 AIDS Epidemic Update , published by the UNAIDS/World Health Organization, there were an estimated 39.5 million people around the world living with HIV,… …
125Ali Khamenei — سید علی حسینی خامنهای Əli Xameneyi Supreme Leader of Iran Incumbent …
126Elapidae — Taxobox name = Elapidae image caption = Egyptian cobra, Naja haje image width = 200px regnum = Animalia phylum = Chordata subphylum = Vertebrata classis = Reptilia ordo = Squamata subordo = Serpentes familia = Elapidae familia authority = Boie,… …
127Stinging nettle — Urtica dioica subsp. dioica Scientific classification Kingdom: Plantae …
128Ichneumonidae — Taxobox name = Ichneumon wasps image width = 240px image caption = Unidentified species, Rhône (France) regnum = Animalia phylum = Arthropoda subphylum = Hexapoda classis = Insecta subclassis = Pterygota infraclassis = Neoptera superordo =… …
