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5. The upper layer of the earth in which plants grow.
7. A slowly moving mass or river of ice formed by the accumulation and compaction of snow on mountains or near the poles.
9. Deposits of sand and gravel are carried by running water from the melting ice of a glacier and laid down in stratified deposits.
11. The arrangement of the natural and artificial physical features of an area.
13. The action or process of deflating or being deflated.
16. The process of wearing or being worn by prolonged exposure to the atmosphere.
17. An unsorted and unstratified accumulation of glacial sediment, deposited directly by glacier ice.
18. A depression forms in an outwash plain or other glacial deposit by melting a block of glacier ice that was separated from the retreating glacier and subsequently buried by glacier sedimentation.
19. Igneous, sedimentary, or metamorphic.

1. The upper layer of the earth in which plants grow
2. A rock of unspecified shape and size, transported a significant distance from its origin by a glacier or iceberg and deposited by melting of the ice.
3. A generally flat area of land next to a river or stream.
4. The total amount of water on a planet.
6. Material left behind by a moving glacier. This material is usually soil and rock.
8. A long ridge of gravel and another sediment, typically having a winding course, deposited by meltwater from a retreating glacier or ice sheet.
10. The geological process in which earthen materials are worn away and transported by natural forces such as wind or water.
12. A sharp mountain ridge.
14. A plantlike organism typically forms a low crusty, leaflike, or branching growth on rocks, walls, and trees.
15. Form on mountainsides and move downward through valleys.
20. Bowl-shaped, depressions that glaciers carve into mountains and valley sidewalls at high elevations.