UNIT 10 18-34

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Across
  1. 6. A living formation of rock-like material made up of the skeletons of tiny sea creatures
  2. 7. According to custom or usual practices
  3. 9. Process that occurs when coral reefs weaken and lighten in color due to a warming climate
  4. 10. Slow moving body of ice
  5. 11. Money that people who live in another country send back to families in their home countries
  6. 12. A fixed amount set by limits
  7. 14. Seasonal ice that floats on the water
  8. 15. A layer of the atmosphere that filters out most of the sun’s harmful ultraviolet radiation
  9. 16. Being a rival, challenging
  10. 17. Large mass of compressed ice
Down
  1. 1. Low, sandy islands formed on top of extinct volcanoes
  2. 2. Large floating mass of ice
  3. 3. poisonous
  4. 4. Far from the coast; inland
  5. 5. Involving or causing sudden great damage or suffering
  6. 8. An international agreement that preserves Antarctica for peaceful and scientific use
  7. 13. Representative of a king or queen in a parliamentary constitutional monarchy