science

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Across
  1. 2. the ability to do something well and without wasting time, money, and enery
  2. 3. water located below the surface of the earth
  3. 6. prevention of excessive or wasteful use of a resource
  4. 7. water that flows over the land without sinking into the ground
  5. 10. not having electricity
Down
  1. 1. sustainable use of natural resources by people
  2. 4. an energy resource that is replaceable by natural means
  3. 5. a disorder of nutrition that results when a person does not consume enough of each of the nutrients that are needed by the human body
  4. 8. an energy resource that takes millions of years to form from the remains of plants and animals
  5. 9. all the land that drains into a specific body of water