Nature 2

6. A natural underground chamber or passage, often formed by the dissolution of limestone or other soluble rocks.
8. Coastal areas where freshwater from rivers mixes with saltwater from the ocean, creating a unique ecosystem.
9. Low-lying, wetland areas characterized by grasses, reeds, and shallow water, supporting a variety of bird species.
10. Shallow bodies of water separated from larger bodies of water by sandbars, coral reefs, or barrier islands.
11. Deep, narrow valleys with steep sides, often formed by the erosive force of rivers over millions of years.
13. A narrow, deep inlet of the sea between high cliffs or steep slopes, typically formed by glacial erosion.
15. Areas where water covers the soil or is near the surface for a significant part of the year, supporting unique plant and animal life.

1. Large masses of ice formed from compacted snow that move slowly over time, shaping the landscape as they advance.
2. A hill or mound of sand formed by wind or water, often found in deserts or coastal areas.
3. Wide grasslands with scattered trees and shrubs, home to a variety of herbivores and predators.
4. A natural hot spring that intermittently ejects water and steam into the air, often accompanied by a column of water.
5. A large underground chamber or cave formed by geological processes, often featuring impressive rock formations.
7. A mountainous opening in the Earth's crust, emitting molten rock, ash, and gases during an eruption.
12. A fertile area in a desert where water is present, supporting vegetation and attracting various animal species.
14. A ridge of rocks, corals, or sand near the water's surface, providing habitats for diverse marine life.