Answer:
What body part is pronounced as one letter but written with three, only two different letters are used?
What never gets any wetter no matter how hard it rains?
A small hill with seven holes.
Power enough to smash ships and crush roofs. Yet it still must fear the sun.
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.