The melanism, the phenomenon that consists in the darkening of the back and the ventral parts, helps the thermoregulation; in fact the Reptiles are defined cold-blooded animals or rather pecilotermi ectoterrni and accordingly they only function when environmental thermal conditions are such that the body reaches a suitable temperature for their vital functions.
En lo que se refiere a las ayudas a la reducción de los costes externos, los costes subvencionables son la parte de los costes externos que el transporte ferroviario permite evitar en relación con los modos de transporte competidoresCommon crawl Common crawl