Answer:
I grunt and have a curly tail. People say I'm dirty but I'm actually very clean. What am I?
When they are caught, they are thrown away. When they escape, you itch all day.
Who is it that rows quickly with four oars but never comes out under his own roof?
I'm known for being stubborn and saying 'hee-haw.' What am I?
What can provide food before it is alive, while it is alive and after it's dead?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.