Geography

1. A type of magma which is erupted by a volcano
5. The icy part of a mountain
8. The capital city of the Philippines
10. The most external layer of the lithosphere
13. A type of clustering of different administrative centers
14. A river that takes the greatest area including all its inflows
15. A class of areas with high humidity, low pressure, a lot of eternally green plants
16. One of the greatest worldwide travelers of all time whose name was used as a prototype one for one of the contemporary continent
18. A country with the greatest amount of crude oil stored
19. A line of the imaginary half circle which connects two poles
21. There is a lot of that in Kazakhstan

2. A collection of different types of maps
3. A place where water is collected artificially
4. A mountain range which contains the highest peak in the world
6. The medium layer of the Earth
7. A description of physical and natural features of a place
9. A discipline which investigates economic, politic and social position of a country or any other administrative region with regard to its location
11. The 8th greatest country in the world(by area occupied)
12. The second major layer of atmosphere
16. A low area between mountains
17. The amount of water which is absorbed in atmosphere
20. An area of water which has no access to any sea or ocean