Environmental Science Puzzel

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Across
  1. 2. organisms that make their own food
  2. 6. the introduction of harmful materials into the environment
  3. 8. the process through which the three main rock types transform from one type into another
  4. 10. organisms that eat dead plants and animal material
  5. 12. the ability to do work
  6. 13. a state in an ecosystem where the number of individuals in a population remains relative
  7. 14. a simple tool used to identify a specific object
  8. 15. radiant energy emitted by the sun
Down
  1. 1. organisms that break down dead material and waste products into a simple substances
  2. 3. the vertical section of downwards to where the soil meets the underlying rock
  3. 4. organisms that get their energy by eating other organisms
  4. 5. protecting natural resources and ecosystems
  5. 7. a substance that is used up more quickly than it can be replace itself
  6. 9. a resource that can be replenished over time
  7. 11. a rising of seawater, magma, or other liquid