Answer:
Be sure to shout for its answers are weak, but there is no language it cannot speak.
What turns from red to black as soon as it touches water?
My life can be measured in hours, I serve by being devoured. Thin, I am quick. Fat, I am slow. Wind is my foe.
What moves without seeing and cries without eyes?
When it comes in, From sea to shore, Twenty paces you'll see, No less, no more.
They are many and one, they wave and they drum, Used to cover a state, they go with you everywhere.