Mountains and Rivers

2. A small, narrow watercourse that flows naturally and is often a tributary of a river or part of a larger water system.
3. A large body of water surrounded by land, often fed by rivers or streams, and providing habitats for various aquatic life.
4. A natural raised area of land that is lower than a mountain and higher than the surrounding terrain.
6. A low area of land between hills or mountains, often with a river flowing through it, providing fertile ground for farming.
8. A natural elevation on the Earth's surface, typically higher than its surroundings, formed by geological processes.
10. A large body of water partially enclosed by land, typically with a wide mouth, offering shelter for ships and marine life.

1. A natural phenomenon where water flows rapidly over a steep drop or a series of drops, creating a stunning cascade.
5. A piece of land completely surrounded by water, often found in oceans or seas, and home to diverse ecosystems.
7. A large, flowing body of water that moves across the land and is usually found between banks or shores.
9. The vast body of saltwater that covers much of the Earth's surface, comprising the world's major interconnected oceans.