Answer:
What has many teeth but can't bite?
To you, rude would I never be, though I flag my tongue for all to see. What am I?
I give people a huge fright, but at the end I'm sweet. I normally celebrate at night, when there's less heat. What am I?
The warmer I am the fresher I am.
I am a ship that can be made to ride the greatest waves. I am not built by objects but built by minds.
Give it food and it will live, give it water and it will die.