1
It is where northern lights occur
2
It is above the troposphere
3
It is a gaseous layer that surrounds the Earth
4
It is the distance from the Meridian 0
5
It is the distance from the Equator
6
It is between the crust and the core
7
The rocky and cold layer of the geosphere
8
the layer of the geosphere with the highest temperatures
9
It is the representation of the Earth on a flat surface
