Across
- 4. the amount of infant deaths for every 1000 infants
- 5. a resource that runs out eventually
- 9. a resource that never runs out
- 10. unrefined petroleum
- 11. the surface of the earth
Down
- 1. Oil that's still in the ground
- 2. a part of a country ex: Missouri in the USA
- 3. estimated time of a humans life
- 6. a group of countries
- 7. a source of energy in gas form
- 8. A energy source popular among countries