Answer:
They come at night without being called and are lost in the day without being stolen. What are they?
I am the noblest musical instrument
I go in dry and come out wet. The longer I stay in the stronger my surroundings get.
What is it that after you take away the whole some still remains?
I have a gown but I'm not a priest; I have a crown but I'm not a king.
Give it food and it will live, give it water and it will die.