rivers

1. where river meets sea
4. where two rivers meet
7. water falling from a height
8. (wearing away) of their channels and valleys by the water and materials it is carrying (stones and rocks)
10. movement of water and load particles (silt, sand, stones and rocks)
12. load particles get deposited on banks
14. bend of a river
15. area of high land forming the edge of a river basin
17. the study of the Earth´s natural features and climates e.g. plate tectonics, river valleys, tropical rainforests

2. the study of the impacts that human beings have on the planet´s environments, habitats and natural processes
3. where river flows
5. a cut off of a river
6. basin area of land drained by a river and its tributaries
9. the study of the planet´s man-made features e.g. cities, transport, trade and population change
11. where a river begins
13. small river that eventually joins a larger river
16. fast flowing water over exposed rock from erosion