Treasure Hunt

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Across
  1. 1. What has many teeth but cannot bite?
  2. 2. It has branches but no leaves.
  3. 6. The more you share me, the less you have
  4. 9. Nothing in the universe outruns me, yet I arrive silently each morning. What am I?
  5. 11. What is always coming but never arrives?
  6. 12. If you drop me, I’m sure to crack, but give me a smile and I’ll smile back.
  7. 13. What runs but never walks, has a mouth but never talks?
Down
  1. 1. Tall when new, short when used.
  2. 3. I’m not alive, but I grow; I don’t have lungs, but I need air.
  3. 4. I can fill a room but take up no space.
  4. 5. I have keys but open no locks, space but no room.
  5. 7. It has hands but can’t clap.
  6. 8. What is always in front of you but can’t be seen?
  7. 10. The more you take from it, the larger it becomes
  8. 12. I have cities but no houses, rivers but no water, and roads but no cars.