Answer:
A father's child, a mother's child, yet no one's son
What you do to determine the length of something
How can a pants pocket be empty and still have something in it?
What is found over your head but under your hat?
The more you take, the more you leave behind. What are they?
When someone uses this acronym, you know you've got to pick up the pace
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?