31. It is thought to occur beyond the so called snow line , where planetary embryos are mainly made of various ices. 32. Because of the tropical heat of the Callej�n, the snow line sits above 5, 000 m during the dry season. 33. Lobb then travelled by steamship to Talcahuano and then to Santa B�rbara regularly making excursions up to the snow line . 34. Property above the snow line will be retired from farm use, officials told The Associated Press on condition of anonymity 35. The snow line is at 7, 000 feet at Yosemite, with temperatures ranging from the mid-40s to the high 60s. 36. Above the p�ramo lies the superp�ramo, a narrow zone with scarce vegetation between the grass p�ramo and the snow line . 37. This is slightly above the snow line , and is the only place on the Equator where snow lies on the ground. 38. The " Tierra Helada " comprises the montane grasslands and shrublands, punas and p�ramos between the tree line and the snow line . 39. The alpine zone on the southern slopes may extend up to above sea level while the glacier / snow line starts at. 40. His research suggests that the snow line , the point on tropical mountains where water is permanently frozen, is climbing higher and higher.
