Across
- 2. a very bad snowstorm with very high winds
- 5. an area with a lot of sand where very little grows
- 8. the envelope of gases surrounding the Earth
- 10. when the surface of the Earth shakes
- 11. an opening in the Earth's crust through which gases and lava escape
Down
- 1. an area of tall trees and lots of rain
- 3. fast-flowing air currents in the Earth's atmosphere
- 4. a dense tropical forest that is difficult to get through
- 6. grassland, with a few trees
- 7. a period when it doesn't rain; dryness
- 9. too much rain