Smile in Nature

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Across
  1. 2. I fly without wings, I cry without eyes. Wherever I go, darkness flies. What am I?
  2. 6. I start tall, but the longer I stand, the shorter I grow. What am I?
  3. 7. I rise and fall but never sleep pulling shores in endless
  4. 8. I am made of light but you cannot see me in day, only in the night. What am I?
  5. 9. I can fill a room, yet I take up no space. What am I?
Down
  1. 1. What kind of tree can you carry in your hand?
  2. 3. The more you have of it, the less you see. What is it?
  3. 4. I am light as a feather, yet the strongest man cannot hold me for much longer. What am I?
  4. 5. You cannot eat without me. But you cannot eat a lot of me. What am I?
  5. 8. What can travel around the world while staying in the same spot?