Across
- 2. valuable and economic minerals
- 6. the type of amount of food someone eats
- 10. process where land becomes more like a desert
- 11. rapid expansion of a city into the country side
- 14. allowing to many animals to feed in an area
- 15. the movement of rock or soil by wind or water
- 16. land that contains fewer people and large amounts of space
- 17. widespread starvation caused by a shortage of food
- 20. movement of people from rural areas to cities
- 21. the amount of food or crops produced
- 22. includes roads, bridges and houses
Down
- 1. clearing trees from an area without replacing them
- 3. land that is capable of producing crops
- 4. an area protected from all exploitation
- 5. chemicals used to kill insects and weeds
- 7. genetic modification of dna for medical or industrial use
- 8. a term ending in island that refers to increased temperatures in cities.
- 9. replacing trees cut down for areas of development
- 12. occurs when people do not eat the correct amount or type of calories
- 13. naturally occurring inorganic solids
- 18. Land mainly covered by buildings and roads
- 19. farm or ranch animals grown for food