July Review

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Across
  1. 1. this resource may be considered both renewable and nonrenewable
  2. 3. A common use for the ivory elephant tusks is to make these
  3. 5. Sustainable development helps protect natural resources so that they are still around for the what.
  4. 6. Directly connected to the scent of pollution
  5. 7. Where the ocean meets the rivers mouth
  6. 10. Mines and quarries are examples of primary industries that produce what.
Down
  1. 2. when too many of the same crops are being planted.
  2. 4. Involves reusing materials rather than dumping them
  3. 8. The burning of fossil fuels produces harmful gasses. The existence of these gasses in the atmosphere will result in this.
  4. 9. many people come from overseas to experience wildlife in its natural habitat is called this