Across
- 3. A barrier that controls the flow of water
- 4. Using resources in a responsible way that preserves them for future people
- 5. A type of agriculture that produces crops to sell
- 7. A type of farming where you grow just enough food for yourself and your family
- 8. Exposed underground pools of water, most commonly found on the Yucatan Peninsula in Mexico
- 9. When mountains prevent rain clouds from reaching the other side, this creates a rain...
- 13. Large masses of ice and packed snow
- 14. A narrow strip of land with sea on either side, forming a link between two larger land masses
- 15. Sending goods to other countries
Down
- 1. A climate that does not have extreme heat or extreme cold
- 2. There are 50 states in the USA, but only 48 of them are...
- 5. A system of several mountain ranges that often run parallel to one another
- 6. A narrow strip of land that extends out into a body of water
- 10. Layers of rock beneath the earth that contain water
- 11. A long period of time with very little rain and dry conditions
- 12. Farming
