PUZZLE 1

2. - A large area covered chiefly with trees and undergrowth.
4. - A fertile spot in a desert where water is found.
5. - A triangular tract of sediment deposited at the mouth of a river.
7. - A deep gorge, typically one with a river flowing through it.
8. - A low area of land between hills or mountains.
12. - An isolated flat-topped hill with steep sides, found in landscapes with horizontal strata.
13. - The part of the land near the sea; the edge of the land.
14. - A vast body of saltwater that covers almost three-quarters of the Earth's surface.
15. - A grassy plain in tropical and subtropical regions, with few trees.
19. - A ring-shaped coral reef, island, or series of islets.
20. - A naturally raised area of land, not as high or craggy as a mountain.
23. - A hot spring that intermittently sends up fountain-like jets of water and steam into the air.
25. - A large body of water surrounded by land.
26. - A barren area of landscape where little precipitation occurs.
27. - A large landform that rises above the surrounding land, typically with steep slopes and a peak.
28. - A broad inlet of the sea where the land curves inward.

1. - A piece of land almost surrounded by water but still connected to the mainland.
3. - A long, narrow, deep inlet of the sea between high cliffs, typically formed by the submergence of a glaciated valley.
6. - A group of islands.
9. - A large area of flat land with few trees.
10. - The tidal mouth of a large river, where the tide meets the stream.
11. - A natural flowing watercourse flowing towards an ocean.
13. - A deep gorge, typically one with a river flowing through it.
16. - A mountain or hill with a crater or vent through which lava and gas are being or have been erupted from the Earth's crust.
17. - An area of low-lying land that is flooded in wet seasons or at high tide and typically remains waterlogged at all times.
18. - A persistent body of dense ice that is constantly moving under its own weight.
21. - A triangular tract of sediment deposited at the mouth of a river, typically where it diverges into several outlets.
22. - An area of relatively level high ground.
24. - A ridge of jagged rock, coral, or sand just above or below the surface of the sea.