Answer:
Round as an apple, deep as a cup, and all the kings' horses can't fill it up. What is it?
I am mother and father, but never birth or nurse. I'm rarely still, but I never wander.
Without this, eating food and Steven Spielberg's career would be very different.
What is the only letter in the alphabet that does not appear anywhere on the periodic table of elements?
Goes over all the hills and hollows. Bites hard, but never swallows.
It rows quickly with four oars but never comes out from under his own roof. What is it?
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?