Science

2. Formed by the chemical and mechanical action of the wind
6. Those that underwent sedimentation, erosion, or deposition on the river bed
7. High rocky coasts that plunge down to the edge of the sea
9. The outermost layer of the earth
10. Created from exclusively erosional and weathering activities
12. Scientific study of landforms and the processes that shape them
14. Lies in between the crust and lower mantle
17. Portion of lands elevated thousands of feet above their surroundings
18. Results of the actions of the glaciers
20. Elevated portion of lands that are formed by geologic activities such as faulting

1. Those that rise higher than the rest of their surroundings
3. Defined as the natural physical features on the surface of the earth
4. Low-lying triangular area located at the mouth of rivers where it meets an ocean, seas, or estuaries
5. Flat and broad land areas that have no great changes in elevation when measured with reference to the mean sea level
8. Is just underneath the upper mantle
11. The innermost layer of the earth
13. A piece of land that projects into a body of water and is connected to the mainland by an isthmus
15. Deep ravine between cliffs that is often carved from the landscape by a river, wind, or glacier
16. A predominantly silt-sized sediment formed by the accumulation of windblown dust
19. Mounds or small hills made up of sand