Our Planet Earth

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Across
  1. 2. first explorer to reach Antarctica
  2. 7. a large mass of compressed ice
  3. 8. mountains that divide Antarctica into two regions
  4. 9. animals that spend much of their time in the ocean
  5. 10. slow moving bodies of ice
  6. 12. the only continent on Earth without a permanent population
Down
  1. 1. a layer of the atmosphere that filters out most of the sun's harmful ultraviolet rays
  2. 3. the southernmost point on earth
  3. 4. international agreement that preserves Antarctica for peaceful and scientific use
  4. 5. large floating masses of ice
  5. 6. leader of explorers that died in a blizzard
  6. 9. seasonal ice that floats on the water rather than being attached to land
  7. 11. resource found in Antarctica