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Across 1. white frozen water that falls from the sky in cold weather 3. a kind of climbing tool for ice or snow that fits on the shoe 5. a white or gray mass in the air made of small drops of water 6. a round opening in the ice 10. the center of 15. a person whose job is showing places to visitors 16. drops of water falling from the sky 17. very cold water that has become hard 18. the light from the sun

Down 1. a large piece of glacial ice 2. bad 4. take into consideration; allow for 5. a long deep opening in the thick ice of a glacier 7. a person who operates an airplane 8. strong; secure 9. include 11. the rounded back part of the foot 12. a heavy gray mass near the ground that makes it difficult to see 13. a natural, fast movement of air 14. good or nice