CHAPTER 7 TERMS

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Across
  1. 2. PLANT MATERIAL, MANURE OR ANY OTHER ORGANIC MATTER THAT'S USED AS AN ENERGY SOURCE.
  2. 4. A NONRENEWABLE ENERGY RESOURCE THAT FORMED FROM THE REMAINS OF ORGANISMS THAT HAD LIVE MANY YEARS AGO.
  3. 5. THE PRESERVATION AND WISE USE OF NATURAL RESOURCES.
  4. 8. A NATURAL RESOURCE THAT CAN BE REPLACED AT THE SAME TIME RATE AT WHICH THE RESOURCE IS CONSUMED.
  5. 10. THE ENERGY RECEIVED BY EARTH FROM THE SUN, IN THE FORM OF RADIATION
  6. 12. ELECTRICAL ENERGY PRODUCED BY THE FLOW OF WATER.
  7. 14. THE PROCESS BY WHICH THE NUCLEUS OF A HEAVY ATOM SPLITS INTO TWO OR MORE FRAGMENTS
  8. 15. THE PROCESS BY WHCIH NUCLEI OF A SMALL ATOMS COMBINE TO FORM NEW, AND MORE MASSIVE NUCLEI.
Down
  1. 1. A RESOURCE THAT FORMS AT A RATE THAT IS SLOWER THAN THE RATE AT WHICH IT IS CONSUMED.
  2. 3. THE ENERGY PRODUCED BY HEAT WITHIN EARTH.
  3. 6. A MINERAL DEPOSIT WITHIN A ROCK FORMATION.
  4. 7. A DEPOSIT THAT CONTAINS A VALUABLE MINERAL AND THAT HAS BEEN CONCENTRATED BY MECHANICAL ACTION,
  5. 9. THE PROCESS OF RECOVERING VALUABLE OR USEFUL MATERIALS FROM WASTE OR SCRAP (PROCESS OF REUSING SOME ITEMS)
  6. 11. A NATURAL MATERIAL WHOSE CONCENTRATION OF VALUABLE MINERALS IS HIGH ENOUGH FOR THE MATERIAL TO BE MINED.
  7. 13. AN ORGANIC MATERIAL THAT CAN BE USED AS JEWERLY WHEN IT IS CUT OR POLISHED.