Answer:
It's been around for millions of years, but is never more than a month old. What is it?
What has 4 legs in the morning, 2 legs in the evening and 3 legs in the night?
Who has married many women but never has been married who is he
It is weightless, you can see it. If you put it in a barrel it will make it lighter?
What do you throw out to use and take in when you're done?
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.