Natural Resources

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Across
  1. 3. resources that are unable to be replenished within a short period of time
  2. 6. burning of crops, wood, or other material to produce heating in buildings
  3. 8. exists as a liquid underground formed from plants and animals over millions of years
  4. 9. radiation received from the sun
  5. 12. gas fossil fuel containing methane, natural gas liquids,and hydrocarbon gases
Down
  1. 1. resources that are replaced by nature at the same (or faster) rate than they are used by humans
  2. 2. heat from within the earth
  3. 4. caused by an uneven heating of earths surface
  4. 5. fuels created from biomass materials
  5. 7. using the force of flowing water to produce electricity
  6. 10. energy is released from the nuclei of atoms when they are split apart in nuclear fission
  7. 11. combustible rock with high carbon/hydrocarbon levels