Across
- 4. Very dry and barren land areas.
- 6. Process where fertile land turns into a desert.
- 8. Cold, northern evergreen forest.
- 9. Wide, dry, and grassy plain.
- 12. Man-made water channel for boats or flow.
- 14. Artificial lake for storing water.
- 15. Hot, grassy plain with few trees.
Down
- 1. Artificial watering of crops.
- 2. Height of a place above sea level.
- 3. Daily state of the sky and air.
- 5. Air pollution by a mixture of of smoke and fog
- 7. Average weather over many years.
- 10. Flat, treeless arctic region.
- 11. Low land reclaimed from the sea.
- 13. a large-scale seasonal shift in wind direction that typically brings a distinct wet or dry period to a region