Answer:
Goes over all the hills and hollows, Bites hard, but never swallows.
I wonβt break if you throw me off from the highest building but I will break if you place me in the ocean.
What time of day, when written in a capital letters, is the same forwards, backwards, and upside down?
I am the best thing that can happen after a stick hits a ball.
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
I flow from the Homerβs mouth when he sees doughnuts.