Natural Resources

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Across
  1. 2. test that dose not give any advantage to the conditions
  2. 5. A limit on possible solutions.
  3. 6. object being tested
  4. 7. how humans change the natural world to meet a need
Down
  1. 1. an early version of a design
  2. 3. the desirable features of solution.
  3. 4. the process of designing new or improved technology