Tundra

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Across
  1. 3. a type of ecosystem
  2. 4. frozen water
  3. 5. a cold treeless region
  4. 7. a small plant that grows close to the ground
  5. 9. a large deer found in Northern Eurasia and northern North America
  6. 10. the coldest season
Down
  1. 1. an animal or plant spending the winter in a dormant state
  2. 2. the study of the earth and its environment
  3. 6. low temperature
  4. 8. ice rain