Geography

1. Physical Geography . the wearing down of the land by the erosive action of water, wind, or ice.
5. the position and duties of a steward, a person who acts as the surrogate of another or others, especially by managing property, financial affairs, an estate, etc.
6. the process of removing salt, esp from sea water so that it can be used for drinking or irrigation.
8. the act or process of infiltrating.
9. the aggregate of surrounding things, conditions, or influences; surroundings; milieu.
11. a map or projection representing one of these halves.
13. the natural environment of an organism; place that is natural for the life and growth of an organism: a tropical habitat.
14. the act or state of eroding; state of being eroded.
15. the artificial application of water to land to assist in the production of crops.

2. the act or process of evaporating.
3. the artificial application of water to land to assist in the production of crops.
4. the ability to be sustained, supported, upheld, or confirmed.
7. of or of the nature of a continent.
10. a mitigating circumstance, event, or consequence.
12. a system formed by the interaction of a community of organisms with their environment.