Simple Riddles

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Across
  1. 2. What building has the most stories?
  2. 3. What has a head and tail but no body?
  3. 5. What has many words but cannot speak?
  4. 6. What needs to be broken to be used?
  5. 7. What can travel the world staying in a corner?
Down
  1. 1. What has hands but cannot clap?
  2. 4. What belongs to you but is used more by others?
  3. 5. What is very light but the strongest person cannot hold it for long?