Across
- 3. Cold, treeless biome with short growing season and frozen subsoil (permafrost).
- 6. Land mostly surrounded by water, connected to mainland.
- 8. A large natural flowing watercourse that typically begins at a source, such as a spring or glacier, and flows into another body of water, such as a lake, sea, or ocean.
Down
- 1. A flat and elevated area of land, usually with steep sides, that rises sharply above the surrounding land.
- 2. Narrow water passage between land masses.
- 4. A triangular or fan-shaped deposit of sediment that forms at the mouth of a river, often containing fertile soil and supporting rich ecosystems.
- 5. The wide lower part of a river where it meets the sea, characterized by a mixture of fresh and saltwater and influenced by tides.
- 7. A group or chain of islands clustered together, usually in a large body of water such as a sea or an ocean.