Across
- 2. what resource can be found in oceans
- 4. what does oil make
- 5. what sphere is the earths surface
- 7. what is the air sphere
- 10. what is a highly flammable resource
- 12. what can increase population
- 13. what is a renewable critical resource
Down
- 1. sphere containing living life
- 3. sphere containing water
- 6. something that will form in a lifetime
- 8. what do cars make
- 9. what is a nonrenewable recyclable resource
- 11. what can decrease population