Earth

2. A large celestial body that orbits around the sun, such as Earth or Mars.
4. A mountain or hill with a vent through which lava, ash, and gases are erupted.
5. A large body of water surrounded by land, usually freshwater.
7. A vast body of saltwater that covers most of the Earth's surface.
9. A piece of land surrounded by water, smaller than a continent.
11. A large mass of ice that moves slowly over land.
13. A large natural elevation of the Earth's surface, with steep sides and a peak.
14. The long-term weather patterns and conditions in a particular region.
15. A natural flowing watercourse that usually leads to the ocean, lake, or another river.

1. A deep, narrow valley with steep sides, often carved by a river.
3. The upper layer of Earth's surface, consisting of minerals, organic matter, and water, supporting plant growth.
6. A community of living organisms and their interactions with the environment.
8. One of the large landmasses on Earth, such as North America or Africa.
10. A barren and arid region with little or no vegetation, often characterized by sand and extreme temperatures.
12. A large area covered with trees, plants, and wildlife.