Answer:
I am your mother's brother's only brother in law. Who am I?
What has a foot but no leg?
What has thousands of ribs and two backbones?
Temporary evidence of where you've been strolling
This is the main ingredient in spaghetti and Mac-N-Cheese.
Cycle Cycle Cycle.
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?