Across
- 3. causes snowfalls to be heavier
- 6. weather over a long period of time
- 8. something useful found in nature
- 11. one fifth of world's freshwater
- 13. flat fertile land covering midwest
- 14. a rock that can be mined
Down
- 1. slow moving mass of ice
- 2. rich soil
- 4. long period of no rain
- 5. large area of land for growing corn
- 7. funnel shaped wind storm
- 9. liquid fossil fuel
- 10. plant that can be grown and harvested for profit
- 12. flat land covered with grasses or wildflowers