Geography

1. A natural flowing watercourse that starts from a source and ends at a larger body of water.
4. A piece of land surrounded by water, smaller than a continent.
6. The distance east or west of the prime meridian, measured in degrees.
10. A defined area of land with its own government, borders, and people.
11. The distance north or south of the equator, measured in degrees.
12. The average weather conditions in a particular region over a long period of time.
14. The number of people living in a specific area, such as a city, country, or continent.
15. A dry, barren area of land with little or no vegetation and very low rainfall.

2. A community of living organisms interacting with each other and their environment.
3. A large area with many trees, plants, and wildlife, creating a green and natural habitat.
5. A large landmass on Earth, such as Asia, Africa, or North America.
7. A tall and elevated landform with a peak or summit, often covered in snow.
8. A mountain or hill with a vent or crater through which lava, ash, and gases are released.
9. A vast body of saltwater that covers a significant portion of the Earth's surface.
13. A large body of water surrounded by land, often freshwater and sometimes connected to rivers.