Nature

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Across
  1. 3. a dry arid area with little vegetation
  2. 5. area with luch trees and vegetation
  3. 6. an area of land surrounded by water
  4. 7. sandy area where water and land meet
Down
  1. 1. body of water surrounded by land
  2. 2. polar region
  3. 3. a tree of shrub that sheds its leaves anually
  4. 4. a large raised area in the surface of the earth