Across
- 2. a set of interacting parts forming a complex whole
- 4. a feature that forms on the surface of the planet (mountain, channel, sand dune)
- 7. all the places where life exists
- 8. a long narrow groove that forms where water, lava, or other liquid flows
- 9. geologist a scientist who studies the geospheres of planets in our solar system
Down
- 1. process an event or series of events that causes changes in the geosphere, such as flowing water, landforms, and soil
- 3. gases that surround the earth or another planet
- 5. all the water on a planet
- 6. having the conditions necessary to live