The basic unit of measurement for environmental noise, as. recommended by ISO 1996/1, is the dB(A), but other mea-. suring concepts, based on dB(A), are used to provide sin-. gle-number criteria for describing fluctuating noise and to. predict human reaction to the temporal qualities of noise.
5. King Cobra (5.8 inches meters/19). King Cobra is a venomous snake and one of the longest in the world. Although the snake is slimmer than Boa, King cobras have a strong poison that can kill quickly Boa. King Cobra has a neurotoxic poison in high doses.
1 This species was only discovered as recently as 2008. 2  The snake with the longest fangs is the gaboon viper (Bitis gabonica), with fangs of up to 50 millimetres in length.  The black mamba (Dendroaspis polylepis) is considered to be one of the fastest snakes in the world, reaching speeds of up to 20 kilometres an hour.