Answer:
I save lives on the ground and in the air
To you, rude would I never be, though I flag my tongue for all to see. What am I?
I live off of a busy street if you want you can stay for an hour or two but if you don't pay rent I'll tell on you.
Mr. Red lives in the red house. Mr. Blue lives in the blue house. Mrs. Pink lives in the pink house. Who lives in the white house?
By Moon or by Sun I shall be found. Yet I am undone if there's no light around.
What never gets any wetter no matter how hard it rains?