Answer:
I have roots that no one sees and I am taller than trees. Up, up I go, but never do I grow. What am I?
I am an object which is used in baseball during the day I can't be seen at all
I have three feet but I cannot walk. What am I?
The more you take away the bigger I get. What am I?
What room do ghosts avoid?
Give it food and it will live, give it water and it will die.