It’s A I,ii I think that’s correct
Answer:
The traditional dividing line between the east and the west is the Yenisei River valley. In delineating the western edge of the Central Siberian Plateau from the West Siberian Plain, the Yenisey runs from near the Mongolian border northward into the Arctic Ocean west of the Taymyr Peninsula.
That is an undemocratic constitution i beleve
The oceanic crust is:
1) Is about 4 miles thick (6km)
2) It is composed of several layers not including the overlying sediment
3) The topmost layer is 1,650 feet thick
4) The temperature ranges from 900 degrees to 1,800 degrees
Hope this helps!