NATURAL RESOURCES

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Across
  1. 3. a feature of earth that benefits people.
  2. 4. a change to the environment that is harmful to humans or other living things
  3. 5. a natural resource that can be replaced
  4. 8. protecting' preserving, and managing earth's natural resources.
Down
  1. 1. substances found in earth's crust that were formed over millions of years from the remains of dead organisms
  2. 2. tiny particles and gases released into the air
  3. 3. a natural resource that is not replaced as it is read.
  4. 6. another name for the natural resource oil.
  5. 7. energy from the sun.