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.
The Black Mamba is native to Africa. While it may not be the most venomous snake in the world (one bite may only deliver enough venom to kill 10 people), it is still arguably the most dangerous snake in the world for other reasons. It is the fastest snake on earth, able to travel as fast as 20 km/h.