I have cities but no houses, forests but no trees, and rivers but no water. What am I?

I’m big and red and in a hurry when there’s a fire. I carry water to put out the flames. What am I? Solve the riddle → I have many teeth but never bite. I open and close jackets. What am I? Solve the riddle → What has teeth but cannot eat? Solve the riddle → What gets shorter the longer it lasts? Solve the riddle → What sits on your head, but never combs its hair? Solve the riddle →