Resources in Earth

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Across
  1. 2. moving air
  2. 3. made by Natural gas
  3. 5. to protect the Earth's resource
  4. 7. contain saltwater
  5. 8. rich in minerals
  6. 9. non-renewable resources found in soil
Down
  1. 1. a mineral found in pencil lead
  2. 2. covers most of our Earth
  3. 4. resource that will replenish
  4. 6. the remains of plants and animals that lived on Earth a long time ago