Answer:
What is lengthened by being cut at both ends?
You heard me before, yet you hear me again, then I die. Until you call me again.
With head without hair. With mouth without tooth.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.
Two brothers we are, great burdens we bear. All day we are bitterly pressed. Yet this I will say, we are full all the day, and empty when go to rest.
The warmer I am the fresher I am.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?